55000550555000 has 120 divisors (see below), whose sum is σ = 134712782173200. Its totient is φ = 21043687896000.

The previous prime is 55000550554993. The next prime is 55000550555017. The reversal of 55000550555000 is 55505500055.

It is a super-2 number, since 2×55000550555000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7752080 + ... + 13042079.

It is an arithmetic number, because the mean of its divisors is an integer number (1122606518110).

Almost surely, 2^{55000550555000} is an apocalyptic number.

55000550555000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55000550555000 is an abundant number, since it is smaller than the sum of its proper divisors (79712231618200).

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

55000550555000 is a wasteful number, since it uses less digits than its factorization.

55000550555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20794231 (or 20794189 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55000550555000 in words is "fifty-five trillion, five hundred fifty million, five hundred fifty-five thousand".