27661056 has 36 divisors (see below), whose sum is σ = 73620792. Its totient is φ = 9220096.

The previous prime is 27661037. The next prime is 27661063. The reversal of 27661056 is 65016672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17241 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (2045022).

Almost surely, 2^27661056 is an apocalyptic number.

It is an amenable number.

27661056 is an abundant number, since it is smaller than the sum of its proper divisors (45959736).

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

27661056 is an equidigital number, since it uses as much as digits as its factorization.

27661056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36036 (or 36022 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 27661056 is about 5259.3779099814. The cubic root of 27661056 is about 302.4286415021.

The spelling of 27661056 in words is "twenty-seven million, six hundred sixty-one thousand, fifty-six".