56055055004980 has 12 divisors (see below), whose sum is σ = 117715615510500. Its totient is φ = 22422022001984.

The previous prime is 56055055004867. The next prime is 56055055004981. The reversal of 56055055004980 is 8940055055065.

It can be written as a sum of positive squares in 2 ways, for example, as 5881236115876 + 50173818889104 = 2425126^2 + 7083348^2 .

It is a super-2 number, since 2×56055055004980² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055055004981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401376375105 + ... + 1401376375144.

It is an arithmetic number, because the mean of its divisors is an integer number (9809634625875).

Almost surely, 2^{56055055004980} is an apocalyptic number.

It is an amenable number.

56055055004980 is an abundant number, since it is smaller than the sum of its proper divisors (61660560505520).

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

56055055004980 is a wasteful number, since it uses less digits than its factorization.

56055055004980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802752750258 (or 2802752750256 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 52.

The spelling of 56055055004980 in words is "fifty-six trillion, fifty-five billion, fifty-five million, four thousand, nine hundred eighty".