56388682820 has 48 divisors (see below), whose sum is σ = 119611634688. Its totient is φ = 22327946880.

The previous prime is 56388682811. The next prime is 56388682829. The reversal of 56388682820 is 2828688365.

It is an interprime number because it is at equal distance from previous prime (56388682811) and next prime (56388682829).

It is not an unprimeable number, because it can be changed into a prime (56388682829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10476530 + ... + 10481910.

It is an arithmetic number, because the mean of its divisors is an integer number (2491909056).

Almost surely, 2^56388682820 is an apocalyptic number.

It is an amenable number.

56388682820 is an abundant number, since it is smaller than the sum of its proper divisors (63222951868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56388682820 is a wasteful number, since it uses less digits than its factorization.

56388682820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580 (or 10578 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 56388682820 in words is "fifty-six billion, three hundred eighty-eight million, six hundred eighty-two thousand, eight hundred twenty".