27555505055 has 16 divisors (see below), whose sum is σ = 36111749184. Its totient is φ = 20062076160.

The previous prime is 27555505009. The next prime is 27555505067. The reversal of 27555505055 is 55050555572.

It is not a de Polignac number, because 27555505055 - 2²⁶ = 27488396191 is a prime.

It is a super-2 number, since 2×27555505055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27555504997 and 27555505015.

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, 2980814 + ... + 2990043.

It is an arithmetic number, because the mean of its divisors is an integer number (2256984324).

Almost surely, 2^27555505055 is an apocalyptic number.

27555505055 is a deficient number, since it is larger than the sum of its proper divisors (8556244129).

27555505055 is a wasteful number, since it uses less digits than its factorization.

27555505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970946.

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 27555505055 in words is "twenty-seven billion, five hundred fifty-five million, five hundred five thousand, fifty-five".