27055731 has 8 divisors (see below), whose sum is σ = 36424960. Its totient is φ = 17861832.

The previous prime is 27055697. The next prime is 27055747. The reversal of 27055731 is 13755072.

27055731 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 27055731 - 2⁶ = 27055667 is a prime.

It is a super-2 number, since 2×27055731² = 1464025159888722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27055781) 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, 43471 + ... + 44088.

It is an arithmetic number, because the mean of its divisors is an integer number (4553120).

Almost surely, 2^27055731 is an apocalyptic number.

27055731 is a deficient number, since it is larger than the sum of its proper divisors (9369229).

27055731 is a wasteful number, since it uses less digits than its factorization.

27055731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87665.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 27055731 is about 5201.5123762229. The cubic root of 27055731 is about 300.2062692553.

The spelling of 27055731 in words is "twenty-seven million, fifty-five thousand, seven hundred thirty-one".