57526572 has 24 divisors (see below), whose sum is σ = 142124976. Its totient is φ = 18047488.

The previous prime is 57526549. The next prime is 57526591. The reversal of 57526572 is 27562575.

It is a self number, because there is not a number n which added to its sum of digits gives 57526572.

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, 140793 + ... + 141200.

It is an arithmetic number, because the mean of its divisors is an integer number (5921874).

Almost surely, 2^57526572 is an apocalyptic number.

It is an amenable number.

57526572 is an abundant number, since it is smaller than the sum of its proper divisors (84598404).

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

57526572 is a wasteful number, since it uses less digits than its factorization.

57526572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282017 (or 282015 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 57526572 is about 7584.6273474707. The cubic root of 57526572 is about 386.0315776828.

The spelling of 57526572 in words is "fifty-seven million, five hundred twenty-six thousand, five hundred seventy-two".