56898665042688 has 720 divisors, whose sum is σ = 202588984604160. Its totient is φ = 15529987325952.

The previous prime is 56898665042647. The next prime is 56898665042741. The reversal of 56898665042688 is 88624056689865.

56898665042688 is a `hidden beast` number, since 5 + 6 + 8 + 9 + 8 + 6 + 6 + 504 + 26 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2700832731 + ... + 2700853797.

It is an arithmetic number, because the mean of its divisors is an integer number (281373589728).

Almost surely, 2^{56898665042688} 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 56898665042688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101294492302080).

56898665042688 is an abundant number, since it is smaller than the sum of its proper divisors (145690319561472).

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

56898665042688 is a wasteful number, since it uses less digits than its factorization.

56898665042688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21934 (or 21911 counting only the distinct ones).

The product of its (nonzero) digits is 9555148800, while the sum is 81.

The spelling of 56898665042688 in words is "fifty-six trillion, eight hundred ninety-eight billion, six hundred sixty-five million, forty-two thousand, six hundred eighty-eight".