557639936 has 36 divisors (see below), whose sum is σ = 1272120192. Its totient is φ = 238987776.

The previous prime is 557639921. The next prime is 557639947. The reversal of 557639936 is 639936755.

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 3 ways as a sum of consecutive naturals, for example, 153800 + ... + 157383.

It is an arithmetic number, because the mean of its divisors is an integer number (35336672).

Almost surely, 2^557639936 is an apocalyptic number.

557639936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

557639936 is an abundant number, since it is smaller than the sum of its proper divisors (714480256).

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

557639936 is an equidigital number, since it uses as much as digits as its factorization.

557639936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311206 (or 311192 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 53.

The square root of 557639936 is about 23614.4010298801. The cubic root of 557639936 is about 823.0975131838.

The spelling of 557639936 in words is "five hundred fifty-seven million, six hundred thirty-nine thousand, nine hundred thirty-six".