557638056 has 48 divisors (see below), whose sum is σ = 1513137600. Its totient is φ = 185526432.

The previous prime is 557638051. The next prime is 557638057. The reversal of 557638056 is 650836755.

557638056 is a `hidden beast` number, since 5 + 5 + 7 + 638 + 0 + 5 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (557638051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32305 + ... + 46463.

It is an arithmetic number, because the mean of its divisors is an integer number (31523700).

Almost surely, 2^557638056 is an apocalyptic number.

It is an amenable number.

557638056 is an abundant number, since it is smaller than the sum of its proper divisors (955499544).

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

557638056 is a wasteful number, since it uses less digits than its factorization.

557638056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14718 (or 14711 counting only the distinct ones).

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

The square root of 557638056 is about 23614.3612236283. The cubic root of 557638056 is about 823.0965881992.

The spelling of 557638056 in words is "five hundred fifty-seven million, six hundred thirty-eight thousand, fifty-six".