27505500055 has 32 divisors (see below), whose sum is σ = 36906782976. Its totient is φ = 19504800000.

The previous prime is 27505500049. The next prime is 27505500067. The reversal of 27505500055 is 55000550572.

It is not a de Polignac number, because 27505500055 - 2⁹ = 27505499543 is a prime.

It is a Duffinian number.

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, 6787780 + ... + 6791830.

It is an arithmetic number, because the mean of its divisors is an integer number (1153336968).

Almost surely, 2^27505500055 is an apocalyptic number.

27505500055 is a deficient number, since it is larger than the sum of its proper divisors (9401282921).

27505500055 is a wasteful number, since it uses less digits than its factorization.

27505500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119.

The product of its (nonzero) digits is 43750, while the sum is 34.

The spelling of 27505500055 in words is "twenty-seven billion, five hundred five million, five hundred thousand, fifty-five".