27055812 has 24 divisors (see below), whose sum is σ = 72149056. Its totient is φ = 7730208.

The previous prime is 27055793. The next prime is 27055813. The reversal of 27055812 is 21855072.

It is a self number, because there is not a number n which added to its sum of digits gives 27055812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27055813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160963 + ... + 161130.

Almost surely, 2^27055812 is an apocalyptic number.

It is an amenable number.

27055812 is an abundant number, since it is smaller than the sum of its proper divisors (45093244).

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

27055812 is a wasteful number, since it uses less digits than its factorization.

27055812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322107 (or 322105 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 27055812 is about 5201.5201624141. The cubic root of 27055812 is about 300.2065688428.

The spelling of 27055812 in words is "twenty-seven million, fifty-five thousand, eight hundred twelve".