56939215955 has 16 divisors (see below), whose sum is σ = 71818242624. Its totient is φ = 43252830720.

The previous prime is 56939215943. The next prime is 56939215967. The reversal of 56939215955 is 55951293965.

It is an interprime number because it is at equal distance from previous prime (56939215943) and next prime (56939215967).

It is not a de Polignac number, because 56939215955 - 2¹² = 56939211859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56939215894 and 56939215903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791266 + ... + 1822775.

It is an arithmetic number, because the mean of its divisors is an integer number (4488640164).

Almost surely, 2^56939215955 is an apocalyptic number.

56939215955 is a deficient number, since it is larger than the sum of its proper divisors (14879026669).

56939215955 is a wasteful number, since it uses less digits than its factorization.

56939215955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614206.

The product of its digits is 16402500, while the sum is 59.

The spelling of 56939215955 in words is "fifty-six billion, nine hundred thirty-nine million, two hundred fifteen thousand, nine hundred fifty-five".