56901910992 has 80 divisors (see below), whose sum is σ = 148331881152. Its totient is φ = 18795504640.

The previous prime is 56901910981. The next prime is 56901911071. The reversal of 56901910992 is 29901910965.

It is a happy number.

It is a super-3 number, since 3×56901910992³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3852742 + ... + 3867482.

Almost surely, 2^56901910992 is an apocalyptic number.

It is an amenable number.

56901910992 is an abundant number, since it is smaller than the sum of its proper divisors (91429970160).

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

56901910992 is a wasteful number, since it uses less digits than its factorization.

56901910992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 51.

The spelling of 56901910992 in words is "fifty-six billion, nine hundred one million, nine hundred ten thousand, nine hundred ninety-two".