55513016804 has 12 divisors (see below), whose sum is σ = 111026033664. Its totient is φ = 23791292904.

The previous prime is 55513016791. The next prime is 55513016807. The reversal of 55513016804 is 40861031555.

55513016804 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55513016807) 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, 991303844 + ... + 991303899.

It is an arithmetic number, because the mean of its divisors is an integer number (9252169472).

Almost surely, 2^55513016804 is an apocalyptic number.

It is an amenable number.

55513016804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55513016804 is a wasteful number, since it uses less digits than its factorization.

55513016804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982607754 (or 1982607752 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 55513016804 in words is "fifty-five billion, five hundred thirteen million, sixteen thousand, eight hundred four".