27426545055 has 64 divisors (see below), whose sum is σ = 60010245120. Its totient is φ = 11573394048.

The previous prime is 27426545033. The next prime is 27426545059. The reversal of 27426545055 is 55054562472.

27426545055 is a `hidden beast` number, since 2 + 74 + 26 + 54 + 505 + 5 = 666.

It is not a de Polignac number, because 27426545055 - 2⁵ = 27426545023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27426545055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27426545059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1103977 + ... + 1128546.

It is an arithmetic number, because the mean of its divisors is an integer number (937660080).

Almost surely, 2^27426545055 is an apocalyptic number.

27426545055 is an abundant number, since it is smaller than the sum of its proper divisors (32583700065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27426545055 is a wasteful number, since it uses less digits than its factorization.

27426545055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232557 (or 2232551 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 27426545055 in words is "twenty-seven billion, four hundred twenty-six million, five hundred forty-five thousand, fifty-five".