Fifty-two

The fifty-two (52) is the natural number that follows fifty-one and precedes fifty-three.

Mathematical properties

• It is a composite number, which has the following factors: 1, 2, 4, 13 and 26. As the sum of its factors is 46 ≤22, it is a defective number.
• 6th Bell number.

Features

• 52 is the atomic number of the telury.
• One year has 52 weeks and one day (52 weeks and two days in the case of a biased year).
• In the modern piano the number of white keys.
• It's Mexico's international phone code.
• The French deck consists of 52 cards, without including the wild.