557731032 has 16 divisors (see below), whose sum is σ = 1394327640. Its totient is φ = 185910336.

The previous prime is 557731003. The next prime is 557731043. The reversal of 557731032 is 230137755.

It is a super-2 number, since 2×557731032² = 622127808111570048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557730984 and 557731002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11619373 + ... + 11619420.

Almost surely, 2^557731032 is an apocalyptic number.

It is an amenable number.

557731032 is an abundant number, since it is smaller than the sum of its proper divisors (836596608).

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

557731032 is a wasteful number, since it uses less digits than its factorization.

557731032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238802 (or 23238798 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 557731032 is about 23616.3297741203. The cubic root of 557731032 is about 823.1423311172.

Adding to 557731032 its reverse (230137755), we get a palindrome (787868787).

The spelling of 557731032 in words is "five hundred fifty-seven million, seven hundred thirty-one thousand, thirty-two".