57115536 has 20 divisors (see below), whose sum is σ = 147548592. Its totient is φ = 19038496.

The previous prime is 57115519. The next prime is 57115543. The reversal of 57115536 is 63551175.

It is a junction number, because it is equal to n+sod(n) for n = 57115497 and 57115506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594906 + ... + 595001.

Almost surely, 2^57115536 is an apocalyptic number.

It is an amenable number.

57115536 is an abundant number, since it is smaller than the sum of its proper divisors (90433056).

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

57115536 is a wasteful number, since it uses less digits than its factorization.

57115536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189918 (or 1189912 counting only the distinct ones).

The product of its digits is 15750, while the sum is 33.

The square root of 57115536 is about 7557.4821203890. The cubic root of 57115536 is about 385.1099612819.

The spelling of 57115536 in words is "fifty-seven million, one hundred fifteen thousand, five hundred thirty-six".