27315055 has 4 divisors (see below), whose sum is σ = 32778072. Its totient is φ = 21852040.

The previous prime is 27315031. The next prime is 27315077. The reversal of 27315055 is 55051372.

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

It is not a de Polignac number, because 27315055 - 2⁹ = 27314543 is a prime.

It is a super-2 number, since 2×27315055² = 1492224459306050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2731501 + ... + 2731510.

It is an arithmetic number, because the mean of its divisors is an integer number (8194518).

Almost surely, 2^27315055 is an apocalyptic number.

27315055 is a deficient number, since it is larger than the sum of its proper divisors (5463017).

27315055 is an equidigital number, since it uses as much as digits as its factorization.

27315055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463016.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 27315055 is about 5226.3806788255. The cubic root of 27315055 is about 301.1623609440.

The spelling of 27315055 in words is "twenty-seven million, three hundred fifteen thousand, fifty-five".