56898975312 has 160 divisors (see below), whose sum is σ = 170677647360. Its totient is φ = 18130815360.

The previous prime is 56898975311. The next prime is 56898975317. The reversal of 56898975312 is 21357989865.

56898975312 is a `hidden beast` number, since 5 + 6 + 8 + 9 + 8 + 97 + 531 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56898975312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56898975311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840487 + ... + 905657.

It is an arithmetic number, because the mean of its divisors is an integer number (1066735296).

Almost surely, 2^56898975312 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 56898975312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85338823680).

56898975312 is an abundant number, since it is smaller than the sum of its proper divisors (113778672048).

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

56898975312 is a wasteful number, since it uses less digits than its factorization.

56898975312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65278 (or 65266 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 56898975312 in words is "fifty-six billion, eight hundred ninety-eight million, nine hundred seventy-five thousand, three hundred twelve".