52 (fifty-two) is the natural number following 51 and preceding 53. Fifty-two is. a composite number; a square-prime, of the form p2 · q , where q is some prime larger than p . It is the sixth of this form and the fifth of the form 22 · q . the 5th Bell number, [1] the number of ways to partition a set of 5 objects. a decagonal number. [2] More @Wikipedia
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