56818810530 has 64 divisors (see below), whose sum is σ = 151537720320. Its totient is φ = 15149593728.

The previous prime is 56818810493. The next prime is 56818810579. The reversal of 56818810530 is 3501881865.

56818810530 is a `hidden beast` number, since 568 + 1 + 8 + 81 + 0 + 5 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3854454 + ... + 3869166.

It is an arithmetic number, because the mean of its divisors is an integer number (2367776880).

Almost surely, 2^56818810530 is an apocalyptic number.

56818810530 is an abundant number, since it is smaller than the sum of its proper divisors (94718909790).

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

56818810530 is a wasteful number, since it uses less digits than its factorization.

56818810530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29032 (or 29026 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 56818810530 in words is "fifty-six billion, eight hundred eighteen million, eight hundred ten thousand, five hundred thirty".