The number "52" is an integer that follows 51 and precedes 53. It is an even number, meaning it is divisible by 2 without a remainder. In mathematics, 52 can be expressed as the product of prime factors: 2 × 2 × 13. In a standard deck of playing cards, there are 52 cards, which include four suits: hearts, diamonds, clubs, and spades. Each suit contains 13 cards, ranging from Ace to King. The number 52 is also significant in various contexts, such as the number of weeks in a year, as there are typically 52 weeks in a calendar year.