557639875 has 16 divisors (see below), whose sum is σ = 749470176. Its totient is φ = 411794400.

The previous prime is 557639851. The next prime is 557639879. The reversal of 557639875 is 578936755.

It is not a de Polignac number, because 557639875 - 2⁵ = 557639843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557639879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169957 + ... + 173206.

It is an arithmetic number, because the mean of its divisors is an integer number (46841886).

Almost surely, 2^557639875 is an apocalyptic number.

557639875 is a deficient number, since it is larger than the sum of its proper divisors (191830301).

557639875 is a wasteful number, since it uses less digits than its factorization.

557639875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343191 (or 343181 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 55.

The square root of 557639875 is about 23614.3997382953. The cubic root of 557639875 is about 823.0974831710.

It can be divided in two parts, 5576 and 39875, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 557639875 in words is "five hundred fifty-seven million, six hundred thirty-nine thousand, eight hundred seventy-five".