550555055055 has 48 divisors (see below), whose sum is σ = 1032989816160. Its totient is φ = 278175161088.

The previous prime is 550555055053. The next prime is 550555055081. The reversal of 550555055055 is 550550555055.

It is not a de Polignac number, because 550555055055 - 2¹ = 550555055053 is a prime.

It is a super-2 number, since 2×550555055055² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 550555055055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555055053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5599722 + ... + 5697191.

It is an arithmetic number, because the mean of its divisors is an integer number (21520621170).

Almost surely, 2^550555055055 is an apocalyptic number.

550555055055 is a deficient number, since it is larger than the sum of its proper divisors (482434761105).

550555055055 is a wasteful number, since it uses less digits than its factorization.

550555055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296965 (or 11296940 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 550555055055 in words is "five hundred fifty billion, five hundred fifty-five million, fifty-five thousand, fifty-five".