56036145992 has 36 divisors (see below), whose sum is σ = 106062537555. Its totient is φ = 27755276976.

The previous prime is 56036145973. The next prime is 56036146007. The reversal of 56036145992 is 29954163065.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28018072996 + 28018072996 = 167386^2 + 167386^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167386.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56036145992.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85031759 + ... + 85032417.

Almost surely, 2^56036145992 is an apocalyptic number.

It is an amenable number.

56036145992 is a deficient number, since it is larger than the sum of its proper divisors (50026391563).

56036145992 is an frugal number, since it uses more digits than its factorization.

56036145992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 50.

Multiplying 56036145992 by its sum of digits (50), we get a square (2801807299600 = 1673860²).

The spelling of 56036145992 in words is "fifty-six billion, thirty-six million, one hundred forty-five thousand, nine hundred ninety-two".