56747935242 has 24 divisors (see below), whose sum is σ = 122969136420. Its totient is φ = 18913628160.

The previous prime is 56747935217. The next prime is 56747935243. The reversal of 56747935242 is 24253974765.

56747935242 is a `hidden beast` number, since 567 + 4 + 7 + 9 + 35 + 2 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51605754561 + 5142180681 = 227169^2 + 71709^2 .

It is not an unprimeable number, because it can be changed into a prime (56747935243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43767 + ... + 339722.

Almost surely, 2^56747935242 is an apocalyptic number.

56747935242 is an abundant number, since it is smaller than the sum of its proper divisors (66221201178).

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

56747935242 is a wasteful number, since it uses less digits than its factorization.

56747935242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391718 (or 391715 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 56747935242 in words is "fifty-six billion, seven hundred forty-seven million, nine hundred thirty-five thousand, two hundred forty-two".