56980056492 has 36 divisors (see below), whose sum is σ = 144040500240. Its totient is φ = 18992352672.

The previous prime is 56980056491. The next prime is 56980056521. The reversal of 56980056492 is 29465008965.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×56980056492² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56980056491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029009 + ... + 1082967.

Almost surely, 2^56980056492 is an apocalyptic number.

It is an amenable number.

56980056492 is an abundant number, since it is smaller than the sum of its proper divisors (87060443748).

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

56980056492 is a wasteful number, since it uses less digits than its factorization.

56980056492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83302 (or 83297 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 56980056492 in words is "fifty-six billion, nine hundred eighty million, fifty-six thousand, four hundred ninety-two".