557908880 has 20 divisors (see below), whose sum is σ = 1297138332. Its totient is φ = 223163520.

The previous prime is 557908877. The next prime is 557908919. The reversal of 557908880 is 88809755.

It can be written as a sum of positive squares in 2 ways, for example, as 352387984 + 205520896 = 18772^2 + 14336^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×557908880² = 622524636765708800, 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, 3486851 + ... + 3487010.

Almost surely, 2^557908880 is an apocalyptic number.

It is an amenable number.

557908880 is an abundant number, since it is smaller than the sum of its proper divisors (739229452).

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

557908880 is a wasteful number, since it uses less digits than its factorization.

557908880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973874 (or 6973868 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 557908880 is about 23620.0948346953. The cubic root of 557908880 is about 823.2298157355.

The spelling of 557908880 in words is "five hundred fifty-seven million, nine hundred eight thousand, eight hundred eighty".