56242139560 has 32 divisors (see below), whose sum is σ = 126551565000. Its totient is φ = 22495655680.

The previous prime is 56242139557. The next prime is 56242139579. The reversal of 56242139560 is 6593124265.

It can be written as a sum of positive squares in 4 ways, for example, as 46992701284 + 9249438276 = 216778^2 + 96174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450830 + ... + 1489090.

Almost surely, 2^56242139560 is an apocalyptic number.

It is an amenable number.

56242139560 is an abundant number, since it is smaller than the sum of its proper divisors (70309425440).

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

56242139560 is a wasteful number, since it uses less digits than its factorization.

56242139560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75021 (or 75017 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 56242139560 in words is "fifty-six billion, two hundred forty-two million, one hundred thirty-nine thousand, five hundred sixty".