56980056440 has 16 divisors (see below), whose sum is σ = 128205127080. Its totient is φ = 22792022560.

The previous prime is 56980056439. The next prime is 56980056451. The reversal of 56980056440 is 4465008965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712250666 + ... + 712250745.

Almost surely, 2^56980056440 is an apocalyptic number.

It is an amenable number.

56980056440 is an abundant number, since it is smaller than the sum of its proper divisors (71225070640).

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

56980056440 is a wasteful number, since it uses less digits than its factorization.

56980056440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424501422 (or 1424501418 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 56980056440 in words is "fifty-six billion, nine hundred eighty million, fifty-six thousand, four hundred forty".