56820514751 has 48 divisors (see below), whose sum is σ = 76980800064. Its totient is φ = 40810176000.

The previous prime is 56820514747. The next prime is 56820514753. The reversal of 56820514751 is 15741502865.

It is not a de Polignac number, because 56820514751 - 2² = 56820514747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56820514753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8375981 + ... + 8382761.

It is an arithmetic number, because the mean of its divisors is an integer number (1603766668).

Almost surely, 2^56820514751 is an apocalyptic number.

56820514751 is a deficient number, since it is larger than the sum of its proper divisors (20160285313).

56820514751 is a wasteful number, since it uses less digits than its factorization.

56820514751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 7573 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 56820514751 in words is "fifty-six billion, eight hundred twenty million, five hundred fourteen thousand, seven hundred fifty-one".