557856880 has 40 divisors (see below), whose sum is σ = 1482306912. Its totient is φ = 191265024.

The previous prime is 557856863. The next prime is 557856883. The reversal of 557856880 is 88658755.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×557856880² = 622408597126668800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557856883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497527 + ... + 498646.

Almost surely, 2^557856880 is an apocalyptic number.

It is an amenable number.

557856880 is an abundant number, since it is smaller than the sum of its proper divisors (924450032).

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

557856880 is a wasteful number, since it uses less digits than its factorization.

557856880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996193 (or 996187 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 52.

The square root of 557856880 is about 23618.9940513985. The cubic root of 557856880 is about 823.2042385119.

The spelling of 557856880 in words is "five hundred fifty-seven million, eight hundred fifty-six thousand, eight hundred eighty".