56535523984 has 15 divisors (see below), whose sum is σ = 109539420483. Its totient is φ = 28267286448.

The previous prime is 56535523973. The next prime is 56535524021. The reversal of 56535523984 is 48932553565.

It is a happy number.

The square root of 56535523984 is 237772.

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, 921367 + ... + 980809.

Almost surely, 2^56535523984 is an apocalyptic number.

56535523984 is the 237772-nd square number.

It is an amenable number.

56535523984 is a deficient number, since it is larger than the sum of its proper divisors (53003896499).

56535523984 is an frugal number, since it uses more digits than its factorization.

56535523984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118894 (or 59445 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 55.

The spelling of 56535523984 in words is "fifty-six billion, five hundred thirty-five million, five hundred twenty-three thousand, nine hundred eighty-four".