27055660 has 12 divisors (see below), whose sum is σ = 56816928. Its totient is φ = 10822256.

The previous prime is 27055657. The next prime is 27055661. The reversal of 27055660 is 6655072.

It is not an unprimeable number, because it can be changed into a prime (27055661) 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 3 ways as a sum of consecutive naturals, for example, 676372 + ... + 676411.

It is an arithmetic number, because the mean of its divisors is an integer number (4734744).

Almost surely, 2^27055660 is an apocalyptic number.

27055660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27055660 is an abundant number, since it is smaller than the sum of its proper divisors (29761268).

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

27055660 is a wasteful number, since it uses less digits than its factorization.

27055660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352792 (or 1352790 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 27055660 is about 5201.5055512803. The cubic root of 27055660 is about 300.2060066533.

The spelling of 27055660 in words is "twenty-seven million, fifty-five thousand, six hundred sixty".