57528972 has 36 divisors (see below), whose sum is σ = 145681536. Its totient is φ = 19141920.

The previous prime is 57528959. The next prime is 57528983. The reversal of 57528972 is 27982575.

It is a happy number.

57528972 is a `hidden beast` number, since 57 + 528 + 9 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26197 + ... + 28307.

Almost surely, 2^57528972 is an apocalyptic number.

It is an amenable number.

57528972 is an abundant number, since it is smaller than the sum of its proper divisors (88152564).

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

57528972 is a wasteful number, since it uses less digits than its factorization.

57528972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2873 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 57528972 is about 7584.7855605811. The cubic root of 57528972 is about 386.0369460014.

The spelling of 57528972 in words is "fifty-seven million, five hundred twenty-eight thousand, nine hundred seventy-two".