56431552 has 14 divisors (see below), whose sum is σ = 111981488. Its totient is φ = 28215744.

The previous prime is 56431547. The next prime is 56431567. The reversal of 56431552 is 25513465.

It is a super-2 number, since 2×56431552² = 6369040122257408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440808 + ... + 440935.

Almost surely, 2^56431552 is an apocalyptic number.

It is an amenable number.

56431552 is a deficient number, since it is larger than the sum of its proper divisors (55549936).

56431552 is an equidigital number, since it uses as much as digits as its factorization.

56431552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881755 (or 881745 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 56431552 is about 7512.0937161353. The cubic root of 56431552 is about 383.5664957474.

The spelling of 56431552 in words is "fifty-six million, four hundred thirty-one thousand, five hundred fifty-two".