52 (number) facts for kids

Fifty-two is a special number that comes right after fifty-one and just before fifty-three. It is an even number, which means you can divide it by two without any remainder. Fifty-two can be divided evenly by several other numbers too: 1, 2, 4, 13, 26, and 52 itself.

52 in Everyday Life

The number 52 appears in many interesting places around us. You might be surprised how often you see it!

Time and Calendars

One of the most common places we see 52 is in our calendar. A standard year has 52 weeks. This means that in one full trip around the sun, there are 52 groups of seven days. This is why many things, like school terms or sports seasons, are often planned around weeks.

Games and Hobbies

If you have ever played a game with a standard deck of playing cards, you've used the number 52! A regular deck has exactly 52 cards. These cards are usually divided into four suits: Spades, Hearts, Diamonds, and Clubs, with 13 cards in each suit (13 x 4 = 52).

Music and Instruments

The piano is a popular musical instrument, and it also features the number 52. A standard piano keyboard has 52 white keys. These white keys play the main notes, while the black keys play the sharps and flats.

The piano has 52 white keys, making up a big part of its sound range.

Science and Elements

In the world of science, the number 52 is important too. Tellurium is a chemical element with the atomic number 52. This means that an atom of Tellurium has 52 protons in its center. Tellurium is a rare element that is used in some types of solar panels and electronic devices.

52 in Mathematics

Beyond its everyday uses, 52 has some cool mathematical properties.

Factors and Multiples

As an even number, 52 is a composite number, meaning it has more than two factors (1 and itself). Its factors are 1, 2, 4, 13, 26, and 52. You can also think of 52 as 4 multiplied by 13 (4 x 13 = 52).

Special Number Types

Fifty-two is also a deficient number. This means that the sum of its factors (not including 52 itself) is less than 52. If you add 1 + 2 + 4 + 13 + 26, you get 46, which is less than 52. It is also a happy number because if you take the sum of the squares of its digits (5² + 2² = 25 + 4 = 29), and repeat the process (2² + 9² = 4 + 81 = 85), and keep going, you eventually reach 1.

See also

In Spanish: Cincuenta y dos para niños