56540279524 has 9 divisors (see below), whose sum is σ = 98946321411. Its totient is φ = 28269901980.

The previous prime is 56540279513. The next prime is 56540279561. The reversal of 56540279524 is 42597204565.

The square root of 56540279524 is 237782.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 416119 + ... + 535009.

Almost surely, 2^56540279524 is an apocalyptic number.

56540279524 is the 237782-nd square number.

It is an amenable number.

56540279524 is a deficient number, since it is larger than the sum of its proper divisors (42406041887).

56540279524 is an frugal number, since it uses more digits than its factorization.

56540279524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237786 (or 118893 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

Multiplying 56540279524 by its sum of digits (49), we get a square (2770473696676 = 1664474²).

The spelling of 56540279524 in words is "fifty-six billion, five hundred forty million, two hundred seventy-nine thousand, five hundred twenty-four".