55188688838502 has 16 divisors (see below), whose sum is σ = 110377747351872. Its totient is φ = 18396168000360.

The previous prime is 55188688838501. The next prime is 55188688838527. The reversal of 55188688838502 is 20583888688155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55188688838501) 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, 13443168 + ... + 17061539.

It is an arithmetic number, because the mean of its divisors is an integer number (6898609209492).

Almost surely, 2^{55188688838502} is an apocalyptic number.

55188688838502 is an abundant number, since it is smaller than the sum of its proper divisors (55189058513370).

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

55188688838502 is a wasteful number, since it uses less digits than its factorization.

55188688838502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806243.

The product of its (nonzero) digits is 1179648000, while the sum is 75.

The spelling of 55188688838502 in words is "fifty-five trillion, one hundred eighty-eight billion, six hundred eighty-eight million, eight hundred thirty-eight thousand, five hundred two".