27053985 has 16 divisors (see below), whose sum is σ = 49470336. Its totient is φ = 12367488.

The previous prime is 27053981. The next prime is 27054017. The reversal of 27053985 is 58935072.

It is not a de Polignac number, because 27053985 - 2² = 27053981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27053981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128724 + ... + 128933.

It is an arithmetic number, because the mean of its divisors is an integer number (3091896).

Almost surely, 2^27053985 is an apocalyptic number.

It is an amenable number.

27053985 is a deficient number, since it is larger than the sum of its proper divisors (22416351).

27053985 is a wasteful number, since it uses less digits than its factorization.

27053985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257672.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 27053985 is about 5201.3445377133. The cubic root of 27053985 is about 300.1998113330.

The spelling of 27053985 in words is "twenty-seven million, fifty-three thousand, nine hundred eighty-five".