56727587144 has 16 divisors (see below), whose sum is σ = 106979050620. Its totient is φ = 28199840320.

The previous prime is 56727587131. The next prime is 56727587173. The reversal of 56727587144 is 44178572765.

It can be written as a sum of positive squares in 2 ways, for example, as 55681840900 + 1045746244 = 235970^2 + 32338^2 .

It is a super-2 number, since 2×56727587144² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56727587144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20492687 + ... + 20495454.

Almost surely, 2^56727587144 is an apocalyptic number.

It is an amenable number.

56727587144 is a deficient number, since it is larger than the sum of its proper divisors (50251463476).

56727587144 is a wasteful number, since it uses less digits than its factorization.

56727587144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988320 (or 40988316 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 56.

The spelling of 56727587144 in words is "fifty-six billion, seven hundred twenty-seven million, five hundred eighty-seven thousand, one hundred forty-four".