557056164 has 48 divisors (see below), whose sum is σ = 1525639808. Its totient is φ = 154856448.

The previous prime is 557056139. The next prime is 557056183. The reversal of 557056164 is 461650755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86509 + ... + 92724.

Almost surely, 2^557056164 is an apocalyptic number.

It is an amenable number.

557056164 is an abundant number, since it is smaller than the sum of its proper divisors (968583644).

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

557056164 is a wasteful number, since it uses less digits than its factorization.

557056164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179284 (or 179282 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 557056164 is about 23602.0372849464. The cubic root of 557056164 is about 822.8101897571.

The spelling of 557056164 in words is "five hundred fifty-seven million, fifty-six thousand, one hundred sixty-four".