56836819251 has 24 divisors (see below), whose sum is σ = 86124785760. Its totient is φ = 36069331200.

The previous prime is 56836819229. The next prime is 56836819271. The reversal of 56836819251 is 15291863865.

56836819251 is a `hidden beast` number, since 568 + 3 + 68 + 19 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 56836819251 - 2⁶ = 56836819187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56836819271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515030 + ... + 1552091.

It is an arithmetic number, because the mean of its divisors is an integer number (3588532740).

Almost surely, 2^56836819251 is an apocalyptic number.

56836819251 is a deficient number, since it is larger than the sum of its proper divisors (29287966509).

56836819251 is a wasteful number, since it uses less digits than its factorization.

56836819251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067227 (or 3067224 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 56836819251 in words is "fifty-six billion, eight hundred thirty-six million, eight hundred nineteen thousand, two hundred fifty-one".