27055209 has 8 divisors (see below), whose sum is σ = 36530560. Its totient is φ = 17808336.

The previous prime is 27055207. The next prime is 27055247. The reversal of 27055209 is 90255072.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27055209 - 2¹ = 27055207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27055207) 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, 56842 + ... + 57315.

It is an arithmetic number, because the mean of its divisors is an integer number (4566320).

Almost surely, 2^27055209 is an apocalyptic number.

It is an amenable number.

27055209 is a deficient number, since it is larger than the sum of its proper divisors (9475351).

27055209 is a wasteful number, since it uses less digits than its factorization.

27055209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114239.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 27055209 is about 5201.4621982669. The cubic root of 27055209 is about 300.2043385653.

The spelling of 27055209 in words is "twenty-seven million, fifty-five thousand, two hundred nine".