56373205538 has 16 divisors (see below), whose sum is σ = 96421139640. Its totient is φ = 24487908096.

The previous prime is 56373205529. The next prime is 56373205579. The reversal of 56373205538 is 83550237365.

It can be written as a sum of positive squares in 4 ways, for example, as 38857477129 + 17515728409 = 197123^2 + 132347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56373205492 and 56373205501.

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, 63770153 + ... + 63771036.

Almost surely, 2^56373205538 is an apocalyptic number.

56373205538 is a deficient number, since it is larger than the sum of its proper divisors (40047934102).

56373205538 is a wasteful number, since it uses less digits than its factorization.

56373205538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127541221.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 56373205538 in words is "fifty-six billion, three hundred seventy-three million, two hundred five thousand, five hundred thirty-eight".