555550505055 has 288 divisors, whose sum is σ = 1277211027456. Its totient is φ = 218159225856.

The previous prime is 555550505039. The next prime is 555550505089. The reversal of 555550505055 is 550505055555.

It is not a de Polignac number, because 555550505055 - 2⁴ = 555550505039 is a prime.

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 555550505055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 45296854 + ... + 45309116.

It is an arithmetic number, because the mean of its divisors is an integer number (4434760512).

Almost surely, 2^555550505055 is an apocalyptic number.

555550505055 is an abundant number, since it is smaller than the sum of its proper divisors (721660522401).

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

555550505055 is a wasteful number, since it uses less digits than its factorization.

555550505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367 (or 12351 counting only the distinct ones).

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

The spelling of 555550505055 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred five thousand, fifty-five".