56699027712 has 216 divisors, whose sum is σ = 166198294080. Its totient is φ = 18587750400.

The previous prime is 56699027711. The next prime is 56699027713. The reversal of 56699027712 is 21772099665.

56699027712 is a `hidden beast` number, since 566 + 9 + 9 + 0 + 2 + 7 + 71 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (56699027711) and next prime (56699027713).

It is a super-2 number, since 2×56699027712² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56699027711) 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, 38860839 + ... + 38862297.

Almost surely, 2^56699027712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56699027712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83099147040).

56699027712 is an abundant number, since it is smaller than the sum of its proper divisors (109499266368).

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

56699027712 is a wasteful number, since it uses less digits than its factorization.

56699027712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 56699027712 in words is "fifty-six billion, six hundred ninety-nine million, twenty-seven thousand, seven hundred twelve".