55555050555055 has 16 divisors (see below), whose sum is σ = 68217180270624. Its totient is φ = 43409983317120.

The previous prime is 55555050555041. The next prime is 55555050555073. The reversal of 55555050555055 is 55055505055555.

It is not a de Polignac number, because 55555050555055 - 2¹⁵ = 55555050522287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55555050554987 and 55555050555005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18972585 + ... + 21704125.

It is an arithmetic number, because the mean of its divisors is an integer number (4263573766914).

Almost surely, 2^{55555050555055} is an apocalyptic number.

55555050555055 is a deficient number, since it is larger than the sum of its proper divisors (12662129715569).

55555050555055 is a wasteful number, since it uses less digits than its factorization.

55555050555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826186.

The product of its (nonzero) digits is 48828125, while the sum is 55.

The spelling of 55555050555055 in words is "fifty-five trillion, five hundred fifty-five billion, fifty million, five hundred fifty-five thousand, fifty-five".