55505055000055 has 16 divisors (see below), whose sum is σ = 69046674220800. Its totient is φ = 42783365067520.

The previous prime is 55505055000007. The next prime is 55505055000089. The reversal of 55505055000055 is 55000055050555.

It is not a de Polignac number, because 55505055000055 - 2²⁹ = 55504518129143 is a prime.

It is a super-2 number, since 2×55505055000055² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55505054999981 and 55505055000017.

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, 399506206 + ... + 399645115.

It is an arithmetic number, because the mean of its divisors is an integer number (4315417138800).

Almost surely, 2^{55505055000055} is an apocalyptic number.

55505055000055 is a deficient number, since it is larger than the sum of its proper divisors (13541619220745).

55505055000055 is a wasteful number, since it uses less digits than its factorization.

55505055000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799151834.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55505055000055 in words is "fifty-five trillion, five hundred five billion, fifty-five million, fifty-five", and thus it is an aban number.