557433872 has 10 divisors (see below), whose sum is σ = 1080028158. Its totient is φ = 278716928.

The previous prime is 557433869. The next prime is 557433887. The reversal of 557433872 is 278334755.

It can be written as a sum of positive squares in only one way, i.e., 544008976 + 13424896 = 23324^2 + 3664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17419793 + ... + 17419824.

Almost surely, 2^557433872 is an apocalyptic number.

It is an amenable number.

557433872 is a deficient number, since it is larger than the sum of its proper divisors (522594286).

557433872 is a wasteful number, since it uses less digits than its factorization.

557433872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34839625 (or 34839619 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The square root of 557433872 is about 23610.0375264420. The cubic root of 557433872 is about 822.9961146222.

The spelling of 557433872 in words is "five hundred fifty-seven million, four hundred thirty-three thousand, eight hundred seventy-two".