557942256 has 50 divisors (see below), whose sum is σ = 1614850512. Its totient is φ = 185980320.

The previous prime is 557942249. The next prime is 557942263. The reversal of 557942256 is 652249755.

557942256 is a `hidden beast` number, since 5 + 579 + 4 + 22 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (557942249) and next prime (557942263).

It is a super-2 number, since 2×557942256² = 622599122060739072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 213960 + ... + 216551.

Almost surely, 2^557942256 is an apocalyptic number.

It is an amenable number.

557942256 is an abundant number, since it is smaller than the sum of its proper divisors (1056908256).

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

557942256 is a wasteful number, since it uses less digits than its factorization.

557942256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430531 (or 430516 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 557942256 is about 23620.8013411908. The cubic root of 557942256 is about 823.2462315407.

The spelling of 557942256 in words is "five hundred fifty-seven million, nine hundred forty-two thousand, two hundred fifty-six".