56636722312 has 32 divisors (see below), whose sum is σ = 106699783680. Its totient is φ = 28183624000.

The previous prime is 56636722297. The next prime is 56636722319. The reversal of 56636722312 is 21322763665.

It is not an unprimeable number, because it can be changed into a prime (56636722319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2746713 + ... + 2767255.

It is an arithmetic number, because the mean of its divisors is an integer number (3334368240).

Almost surely, 2^56636722312 is an apocalyptic number.

It is an amenable number.

56636722312 is a deficient number, since it is larger than the sum of its proper divisors (50063061368).

56636722312 is a wasteful number, since it uses less digits than its factorization.

56636722312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173 (or 22169 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 56636722312 in words is "fifty-six billion, six hundred thirty-six million, seven hundred twenty-two thousand, three hundred twelve".