56031316432 has 40 divisors (see below), whose sum is σ = 133613142656. Its totient is φ = 22166234496.

The previous prime is 56031316427. The next prime is 56031316459. The reversal of 56031316432 is 23461313065.

It is a super-2 number, since 2×56031316432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19240068 + ... + 19242979.

Almost surely, 2^56031316432 is an apocalyptic number.

56031316432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56031316432 is an abundant number, since it is smaller than the sum of its proper divisors (77581826224).

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

56031316432 is a wasteful number, since it uses less digits than its factorization.

56031316432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38483075 (or 38483069 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 56031316432 its reverse (23461313065), we get a palindrome (79492629497).

The spelling of 56031316432 in words is "fifty-six billion, thirty-one million, three hundred sixteen thousand, four hundred thirty-two".