27331055 has 4 divisors (see below), whose sum is σ = 32797272. Its totient is φ = 21864840.

The previous prime is 27331033. The next prime is 27331067. The reversal of 27331055 is 55013372.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27331055 - 2⁸ = 27330799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2733101 + ... + 2733110.

It is an arithmetic number, because the mean of its divisors is an integer number (8199318).

Almost surely, 2^27331055 is an apocalyptic number.

27331055 is a deficient number, since it is larger than the sum of its proper divisors (5466217).

27331055 is an equidigital number, since it uses as much as digits as its factorization.

27331055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466216.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 27331055 is about 5227.9111507370. The cubic root of 27331055 is about 301.2211521764.

The spelling of 27331055 in words is "twenty-seven million, three hundred thirty-one thousand, fifty-five".