56979461243 has 16 divisors (see below), whose sum is σ = 58774640736. Its totient is φ = 55198091520.

The previous prime is 56979461219. The next prime is 56979461251. The reversal of 56979461243 is 34216497965.

It is a cyclic number.

It is not a de Polignac number, because 56979461243 - 2²⁶ = 56912352379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56979461443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16595855 + ... + 16599287.

It is an arithmetic number, because the mean of its divisors is an integer number (3673415046).

Almost surely, 2^56979461243 is an apocalyptic number.

56979461243 is a deficient number, since it is larger than the sum of its proper divisors (1795179493).

56979461243 is a wasteful number, since it uses less digits than its factorization.

56979461243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its digits is 9797760, while the sum is 56.

The spelling of 56979461243 in words is "fifty-six billion, nine hundred seventy-nine million, four hundred sixty-one thousand, two hundred forty-three".