56523287531800 has 48 divisors (see below), whose sum is σ = 131624911069200. Its totient is φ = 22573484035200.

The previous prime is 56523287531743. The next prime is 56523287531819. The reversal of 56523287531800 is 813578232565.

It is a super-2 number, since 2×56523287531800² (a number of 28 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 11 ways as a sum of consecutive naturals, for example, 223817095 + ... + 224069494.

It is an arithmetic number, because the mean of its divisors is an integer number (2742185647275).

Almost surely, 2^{56523287531800} is an apocalyptic number.

56523287531800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56523287531800 is an abundant number, since it is smaller than the sum of its proper divisors (75101623537400).

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

56523287531800 is a wasteful number, since it uses less digits than its factorization.

56523287531800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447887236 (or 447887227 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 56523287531800 in words is "fifty-six trillion, five hundred twenty-three billion, two hundred eighty-seven million, five hundred thirty-one thousand, eight hundred".