56689926940 has 48 divisors (see below), whose sum is σ = 119693246400. Its totient is φ = 22553564672.

The previous prime is 56689926901. The next prime is 56689926949. The reversal of 56689926940 is 4962998665.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56689926949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782872 + ... + 2803168.

It is an arithmetic number, because the mean of its divisors is an integer number (2493609300).

Almost surely, 2^56689926940 is an apocalyptic number.

It is an amenable number.

56689926940 is an abundant number, since it is smaller than the sum of its proper divisors (63003319460).

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

56689926940 is a wasteful number, since it uses less digits than its factorization.

56689926940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054 (or 21052 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 56689926940 in words is "fifty-six billion, six hundred eighty-nine million, nine hundred twenty-six thousand, nine hundred forty".