55455514188 has 48 divisors (see below), whose sum is σ = 130079278560. Its totient is φ = 18387763200.

The previous prime is 55455514183. The next prime is 55455514193. The reversal of 55455514188 is 88141555455.

It is an interprime number because it is at equal distance from previous prime (55455514183) and next prime (55455514193).

It is a self number, because there is not a number n which added to its sum of digits gives 55455514188.

It is not an unprimeable number, because it can be changed into a prime (55455514183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2676348 + ... + 2696988.

It is an arithmetic number, because the mean of its divisors is an integer number (2709984970).

Almost surely, 2^55455514188 is an apocalyptic number.

It is an amenable number.

55455514188 is an abundant number, since it is smaller than the sum of its proper divisors (74623764372).

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

55455514188 is a wasteful number, since it uses less digits than its factorization.

55455514188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21818 (or 21816 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 51.

The spelling of 55455514188 in words is "fifty-five billion, four hundred fifty-five million, five hundred fourteen thousand, one hundred eighty-eight".