27559 has 8 divisors (see below), whose sum is σ = 32768. Its totient is φ = 22680.

The previous prime is 27551. The next prime is 27581. The reversal of 27559 is 95572.

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

It is not a de Polignac number, because 27559 - 2³ = 27551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27551) by changing a digit.

It is a Zeisel number, with parameters (4, 3).

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 280.

It is an arithmetic number, because the mean of its divisors is an integer number (4096).

2²⁷⁵⁵⁹ is an apocalyptic number.

27559 is a deficient number, since it is larger than the sum of its proper divisors (5209).

27559 is a wasteful number, since it uses less digits than its factorization.

27559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its digits is 3150, while the sum is 28.

The square root of 27559 is about 166.0090358987. The cubic root of 27559 is about 30.2056244367.

The spelling of 27559 in words is "twenty-seven thousand, five hundred fifty-nine".