56680859328 has 112 divisors (see below), whose sum is σ = 154734036480. Its totient is φ = 18302229504.

The previous prime is 56680859309. The next prime is 56680859351. The reversal of 56680859328 is 82395808665.

It is a super-2 number, since 2×56680859328² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768651 + ... + 839157.

Almost surely, 2^56680859328 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 56680859328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77367018240).

56680859328 is an abundant number, since it is smaller than the sum of its proper divisors (98053177152).

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

56680859328 is a wasteful number, since it uses less digits than its factorization.

56680859328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70654 (or 70644 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 56680859328 in words is "fifty-six billion, six hundred eighty million, eight hundred fifty-nine thousand, three hundred twenty-eight".