56691094152 has 64 divisors (see below), whose sum is σ = 176699520000. Its totient is φ = 14724959040.

The previous prime is 56691094123. The next prime is 56691094157. The reversal of 56691094152 is 25149019665.

It is not an unprimeable number, because it can be changed into a prime (56691094157) 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, 15336652 + ... + 15340347.

It is an arithmetic number, because the mean of its divisors is an integer number (2760930000).

Almost surely, 2^56691094152 is an apocalyptic number.

It is an amenable number.

56691094152 is an abundant number, since it is smaller than the sum of its proper divisors (120008425848).

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

56691094152 is a wasteful number, since it uses less digits than its factorization.

56691094152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30677026 (or 30677022 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 56691094152 in words is "fifty-six billion, six hundred ninety-one million, ninety-four thousand, one hundred fifty-two".