555055555055 has 32 divisors (see below), whose sum is σ = 694624190976. Its totient is φ = 425304000000.

The previous prime is 555055555051. The next prime is 555055555081. The reversal of 555055555055 is 550555550555.

It is not a de Polignac number, because 555055555055 - 2² = 555055555051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555055554994 and 555055555012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555055555051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56055605 + ... + 56065505.

It is an arithmetic number, because the mean of its divisors is an integer number (21707005968).

Almost surely, 2^555055555055 is an apocalyptic number.

555055555055 is a deficient number, since it is larger than the sum of its proper divisors (139568635921).

555055555055 is a wasteful number, since it uses less digits than its factorization.

555055555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 555055555055 in words is "five hundred fifty-five billion, fifty-five million, five hundred fifty-five thousand, fifty-five".