56365998768 has 50 divisors (see below), whose sum is σ = 163139557284. Its totient is φ = 18788665824.

The previous prime is 56365998739. The next prime is 56365998769. The reversal of 56365998768 is 86789956365.

56365998768 is a `hidden beast` number, since 563 + 6 + 59 + 9 + 8 + 7 + 6 + 8 = 666.

It is a super-2 number, since 2×56365998768² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 56365998696 and 56365998705.

It is not an unprimeable number, because it can be changed into a prime (56365998769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21744846 + ... + 21747437.

Almost surely, 2^56365998768 is an apocalyptic number.

It is an amenable number.

56365998768 is an abundant number, since it is smaller than the sum of its proper divisors (106773558516).

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

56365998768 is a wasteful number, since it uses less digits than its factorization.

56365998768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43492303 (or 43492288 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 56365998768 in words is "fifty-six billion, three hundred sixty-five million, nine hundred ninety-eight thousand, seven hundred sixty-eight".