57204664 has 32 divisors (see below), whose sum is σ = 120178800. Its totient is φ = 25297920.

The previous prime is 57204659. The next prime is 57204671. The reversal of 57204664 is 46640275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529 + ... + 12040.

Almost surely, 2^57204664 is an apocalyptic number.

It is an amenable number.

57204664 is an abundant number, since it is smaller than the sum of its proper divisors (62974136).

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

57204664 is a wasteful number, since it uses less digits than its factorization.

57204664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17623 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 57204664 is about 7563.3764946616. The cubic root of 57204664 is about 385.3101767539.

The spelling of 57204664 in words is "fifty-seven million, two hundred four thousand, six hundred sixty-four".