56201445664 has 96 divisors (see below), whose sum is σ = 144191166336. Its totient is φ = 20925665280.

The previous prime is 56201445581. The next prime is 56201445673. The reversal of 56201445664 is 46654410265.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56201445664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518142 + ... + 617149.

It is an arithmetic number, because the mean of its divisors is an integer number (1501991316).

Almost surely, 2^56201445664 is an apocalyptic number.

It is an amenable number.

56201445664 is an abundant number, since it is smaller than the sum of its proper divisors (87989720672).

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

56201445664 is a wasteful number, since it uses less digits than its factorization.

56201445664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135338 (or 1135330 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 56201445664 in words is "fifty-six billion, two hundred one million, four hundred forty-five thousand, six hundred sixty-four".