56631133316 has 48 divisors (see below), whose sum is σ = 105934469760. Its totient is φ = 26411293440.

The previous prime is 56631133309. The next prime is 56631133319. The reversal of 56631133316 is 61333113665.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 56631133316.

It is not an unprimeable number, because it can be changed into a prime (56631133319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164320 + ... + 4177896.

It is an arithmetic number, because the mean of its divisors is an integer number (2206968120).

Almost surely, 2^56631133316 is an apocalyptic number.

It is an amenable number.

56631133316 is a deficient number, since it is larger than the sum of its proper divisors (49303336444).

56631133316 is a wasteful number, since it uses less digits than its factorization.

56631133316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444 (or 14442 counting only the distinct ones).

The product of its digits is 87480, while the sum is 38.

The spelling of 56631133316 in words is "fifty-six billion, six hundred thirty-one million, one hundred thirty-three thousand, three hundred sixteen".