56823645102 has 64 divisors (see below), whose sum is σ = 136366917120. Its totient is φ = 15441503616.

The previous prime is 56823645089. The next prime is 56823645119. The reversal of 56823645102 is 20154632865.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 266553 + ... + 429764.

It is an arithmetic number, because the mean of its divisors is an integer number (2130733080).

Almost surely, 2^56823645102 is an apocalyptic number.

56823645102 is an abundant number, since it is smaller than the sum of its proper divisors (79543272018).

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

56823645102 is a wasteful number, since it uses less digits than its factorization.

56823645102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696425.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 56823645102 in words is "fifty-six billion, eight hundred twenty-three million, six hundred forty-five thousand, one hundred two".