557902044 has 54 divisors (see below), whose sum is σ = 1640502864. Its totient is φ = 159400080.

The previous prime is 557902001. The next prime is 557902061. The reversal of 557902044 is 440209755.

It is a super-2 number, since 2×557902044² = 622509381398755872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 156372 + ... + 159899.

Almost surely, 2^557902044 is an apocalyptic number.

It is an amenable number.

557902044 is an abundant number, since it is smaller than the sum of its proper divisors (1082600820).

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

557902044 is a wasteful number, since it uses less digits than its factorization.

557902044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316295 (or 316283 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 557902044 is about 23619.9501269584. The cubic root of 557902044 is about 823.2264534051.

The spelling of 557902044 in words is "five hundred fifty-seven million, nine hundred two thousand, forty-four".