56813664404 has 48 divisors (see below), whose sum is σ = 117704966400. Its totient is φ = 23477212416.

The previous prime is 56813664373. The next prime is 56813664419. The reversal of 56813664404 is 40446631865.

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 15 ways as a sum of consecutive naturals, for example, 556232 + ... + 650400.

It is an arithmetic number, because the mean of its divisors is an integer number (2452186800).

Almost surely, 2^56813664404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56813664404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58852483200).

56813664404 is an abundant number, since it is smaller than the sum of its proper divisors (60891301996).

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

56813664404 is a wasteful number, since it uses less digits than its factorization.

56813664404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94952 (or 94950 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 56813664404 in words is "fifty-six billion, eight hundred thirteen million, six hundred sixty-four thousand, four hundred four".