557271232 has 56 divisors (see below), whose sum is σ = 1318784256. Its totient is φ = 228442368.

The previous prime is 557271229. The next prime is 557271241. The reversal of 557271232 is 232172755.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 16738 + ... + 37345.

Almost surely, 2^557271232 is an apocalyptic number.

It is an amenable number.

557271232 is an abundant number, since it is smaller than the sum of its proper divisors (761513024).

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

557271232 is a wasteful number, since it uses less digits than its factorization.

557271232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54125 (or 54115 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 557271232 is about 23606.5929773866. The cubic root of 557271232 is about 822.9160661986.

The spelling of 557271232 in words is "five hundred fifty-seven million, two hundred seventy-one thousand, two hundred thirty-two".