55318698080 has 48 divisors (see below), whose sum is σ = 130741055424. Its totient is φ = 22118906880.

The previous prime is 55318698053. The next prime is 55318698089. The reversal of 55318698080 is 8089681355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55318698089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355625 + ... + 486935.

It is an arithmetic number, because the mean of its divisors is an integer number (2723771988).

Almost surely, 2^55318698080 is an apocalyptic number.

It is an amenable number.

55318698080 is an abundant number, since it is smaller than the sum of its proper divisors (75422357344).

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

55318698080 is a wasteful number, since it uses less digits than its factorization.

55318698080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133959 (or 133951 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 55318698080 in words is "fifty-five billion, three hundred eighteen million, six hundred ninety-eight thousand, eighty".