56990538112 has 16 divisors (see below), whose sum is σ = 113535837900. Its totient is φ = 28495268992.

The previous prime is 56990538071. The next prime is 56990538151. The reversal of 56990538112 is 21183509965.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222619162 + ... + 222619417.

Almost surely, 2^56990538112 is an apocalyptic number.

It is an amenable number.

56990538112 is a deficient number, since it is larger than the sum of its proper divisors (56545299788).

56990538112 is an equidigital number, since it uses as much as digits as its factorization.

56990538112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445238593 (or 445238581 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 56990538112 in words is "fifty-six billion, nine hundred ninety million, five hundred thirty-eight thousand, one hundred twelve".