55055000005500 has 96 divisors (see below), whose sum is σ = 174894720069888. Its totient is φ = 13346666664000.

The previous prime is 55055000005483. The next prime is 55055000005549. The reversal of 55055000005500 is 550000055055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668316834 + ... + 1668349833.

It is an arithmetic number, because the mean of its divisors is an integer number (1821820000728).

Almost surely, 2^{55055000005500} is an apocalyptic number.

55055000005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55055000005500 is an abundant number, since it is smaller than the sum of its proper divisors (119839720064388).

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

55055000005500 is a wasteful number, since it uses less digits than its factorization.

55055000005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336666700 (or 3336666688 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 5 and 5055000005500, that added together give a palindrome (5055000005505).

The spelling of 55055000005500 in words is "fifty-five trillion, fifty-five billion, five thousand, five hundred".