56813513895936 has 416 divisors, whose sum is σ = 196286764992000. Its totient is φ = 16232421703680.

The previous prime is 56813513895907. The next prime is 56813513895961. The reversal of 56813513895936 is 63959831531865.

56813513895936 is a `hidden beast` number, since 5 + 6 + 8 + 13 + 5 + 13 + 8 + 9 + 593 + 6 = 666.

It is a super-2 number, since 2×56813513895936² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37184191 + ... + 38681921.

Almost surely, 2^{56813513895936} is an apocalyptic number.

56813513895936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56813513895936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98143382496000).

56813513895936 is an abundant number, since it is smaller than the sum of its proper divisors (139473251096064).

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

56813513895936 is an equidigital number, since it uses as much as digits as its factorization.

56813513895936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497785 (or 1497743 counting only the distinct ones).

The product of its digits is 629856000, while the sum is 72.

The spelling of 56813513895936 in words is "fifty-six trillion, eight hundred thirteen billion, five hundred thirteen million, eight hundred ninety-five thousand, nine hundred thirty-six".