557656464 has 40 divisors (see below), whose sum is σ = 1449808000. Its totient is φ = 184699008.

The previous prime is 557656453. The next prime is 557656471. The reversal of 557656464 is 464656755.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29464 + ... + 44535.

It is an arithmetic number, because the mean of its divisors is an integer number (36245200).

Almost surely, 2^557656464 is an apocalyptic number.

It is an amenable number.

557656464 is an abundant number, since it is smaller than the sum of its proper divisors (892151536).

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

557656464 is a wasteful number, since it uses less digits than its factorization.

557656464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74167 (or 74161 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The square root of 557656464 is about 23614.7509832308. The cubic root of 557656464 is about 823.1056450866.

The spelling of 557656464 in words is "five hundred fifty-seven million, six hundred fifty-six thousand, four hundred sixty-four".