5555500000055 has 16 divisors (see below), whose sum is σ = 7017568552800. Its totient is φ = 4210427289600.

The previous prime is 5555500000027. The next prime is 5555500000133. The reversal of 5555500000055 is 5500000055555.

It is not a de Polignac number, because 5555500000055 - 2²⁶ = 5555432891191 is a prime.

It is a super-2 number, since 2×5555500000055² (a number of 26 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5555499999970 and 5555500000024.

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, 7493111 + ... + 8201079.

It is an arithmetic number, because the mean of its divisors is an integer number (438598034550).

Almost surely, 2^{5555500000055} is an apocalyptic number.

5555500000055 is a deficient number, since it is larger than the sum of its proper divisors (1462068552745).

5555500000055 is a wasteful number, since it uses less digits than its factorization.

5555500000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790594.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 5555500000055 in words is "five trillion, five hundred fifty-five billion, five hundred million, fifty-five", and thus it is an aban number.