55318160080 has 40 divisors (see below), whose sum is σ = 128703146400. Its totient is φ = 22112051328.

The previous prime is 55318160041. The next prime is 55318160099. The reversal of 55318160080 is 8006181355.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120250 + ... + 353689.

It is an arithmetic number, because the mean of its divisors is an integer number (3217578660).

Almost surely, 2^55318160080 is an apocalyptic number.

It is an amenable number.

55318160080 is an abundant number, since it is smaller than the sum of its proper divisors (73384986320).

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

55318160080 is a wasteful number, since it uses less digits than its factorization.

55318160080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475411 (or 475405 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 55318160080 in words is "fifty-five billion, three hundred eighteen million, one hundred sixty thousand, eighty".