56681365882 has 16 divisors (see below), whose sum is σ = 87987160800. Its totient is φ = 27353052720.

The previous prime is 56681365747. The next prime is 56681365907. The reversal of 56681365882 is 28856318665.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29544 + ... + 337987.

It is an arithmetic number, because the mean of its divisors is an integer number (5499197550).

Almost surely, 2^56681365882 is an apocalyptic number.

56681365882 is a deficient number, since it is larger than the sum of its proper divisors (31305794918).

56681365882 is a wasteful number, since it uses less digits than its factorization.

56681365882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370221.

The product of its digits is 16588800, while the sum is 58.

The spelling of 56681365882 in words is "fifty-six billion, six hundred eighty-one million, three hundred sixty-five thousand, eight hundred eighty-two".