56816958400 has 42 divisors (see below), whose sum is σ = 139805232200. Its totient is φ = 22726782720.

The previous prime is 56816958343. The next prime is 56816958409. The reversal of 56816958400 is 485961865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816958409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17753700 + ... + 17756899.

Almost surely, 2^56816958400 is an apocalyptic number.

56816958400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56816958400 is an abundant number, since it is smaller than the sum of its proper divisors (82988273800).

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

56816958400 is a wasteful number, since it uses less digits than its factorization.

56816958400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35510621 (or 35510606 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 56816958400 in words is "fifty-six billion, eight hundred sixteen million, nine hundred fifty-eight thousand, four hundred".