27355 has 4 divisors (see below), whose sum is σ = 32832. Its totient is φ = 21880.

The previous prime is 27337. The next prime is 27361. The reversal of 27355 is 55372.

27355 = 65² + 66² + ... + 70².

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

It is not a de Polignac number, because 27355 - 2¹¹ = 25307 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 8.

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, 2731 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (8208).

2²⁷³⁵⁵ is an apocalyptic number.

27355 is a deficient number, since it is larger than the sum of its proper divisors (5477).

27355 is an equidigital number, since it uses as much as digits as its factorization.

27355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its digits is 1050, while the sum is 22.

The square root of 27355 is about 165.3934702460. The cubic root of 27355 is about 30.1309094081.

The spelling of 27355 in words is "twenty-seven thousand, three hundred fifty-five".