52583640 has 64 divisors (see below), whose sum is σ = 166060800. Its totient is φ = 13283712.

The previous prime is 52583639. The next prime is 52583683. The reversal of 52583640 is 4638525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9252 + ... + 13811.

It is an arithmetic number, because the mean of its divisors is an integer number (2594700).

Almost surely, 2^52583640 is an apocalyptic number.

It is an amenable number.

52583640 is an abundant number, since it is smaller than the sum of its proper divisors (113477160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52583640 is a wasteful number, since it uses less digits than its factorization.

52583640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23096 (or 23092 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 52583640 is about 7251.4577844734. The cubic root of 52583640 is about 374.6423612494.

The spelling of 52583640 in words is "fifty-two million, five hundred eighty-three thousand, six hundred forty".