55505005555055 has 32 divisors (see below), whose sum is σ = 82890545011200. Its totient is φ = 34814028880512.

The previous prime is 55505005555009. The next prime is 55505005555061. The reversal of 55505005555055 is 55055550050555.

It is not a de Polignac number, because 55505005555055 - 2¹⁸ = 55505005292911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55505005554994 and 55505005555012.

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, 1439052677 + ... + 1439091246.

It is an arithmetic number, because the mean of its divisors is an integer number (2590329531600).

Almost surely, 2^{55505005555055} is an apocalyptic number.

55505005555055 is a deficient number, since it is larger than the sum of its proper divisors (27385539456145).

55505005555055 is a wasteful number, since it uses less digits than its factorization.

55505005555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878143983.

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

The spelling of 55505005555055 in words is "fifty-five trillion, five hundred five billion, five million, five hundred fifty-five thousand, fifty-five".