57456556 has 12 divisors (see below), whose sum is σ = 100971360. Its totient is φ = 28607600.

The previous prime is 57456533. The next prime is 57456563. The reversal of 57456556 is 65565475.

It is a super-2 number, since 2×57456556² = 6602511654762272, which contains 22 as substring.

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, 29095 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (8414280).

Almost surely, 2^57456556 is an apocalyptic number.

It is an amenable number.

57456556 is a deficient number, since it is larger than the sum of its proper divisors (43514804).

57456556 is a wasteful number, since it uses less digits than its factorization.

57456556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60344 (or 60342 counting only the distinct ones).

The product of its digits is 630000, while the sum is 43.

The square root of 57456556 is about 7580.0102902305. The cubic root of 57456556 is about 385.8749001747.

The spelling of 57456556 in words is "fifty-seven million, four hundred fifty-six thousand, five hundred fifty-six".