27545 has 8 divisors (see below), whose sum is σ = 37824. Its totient is φ = 18864.

The previous prime is 27541. The next prime is 27551. The reversal of 27545 is 54572.

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

It is a cyclic number.

It is not a de Polignac number, because 27545 - 2² = 27541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27545.

It is not an unprimeable number, because it can be changed into a prime (27541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (4728).

2²⁷⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

27545 is a deficient number, since it is larger than the sum of its proper divisors (10279).

27545 is an equidigital number, since it uses as much as digits as its factorization.

27545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its digits is 1400, while the sum is 23.

The square root of 27545 is about 165.9668641627. The cubic root of 27545 is about 30.2005087410.

The spelling of 27545 in words is "twenty-seven thousand, five hundred forty-five".