27055434 has 64 divisors (see below), whose sum is σ = 64915200. Its totient is φ = 7354368.

The previous prime is 27055433. The next prime is 27055439. The reversal of 27055434 is 43455072.

It is not an unprimeable number, because it can be changed into a prime (27055433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118032 + ... + 118260.

It is an arithmetic number, because the mean of its divisors is an integer number (1014300).

Almost surely, 2^27055434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27055434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32457600).

27055434 is an abundant number, since it is smaller than the sum of its proper divisors (37859766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27055434 is a wasteful number, since it uses less digits than its factorization.

27055434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 27055434 is about 5201.4838267556. The cubic root of 27055434 is about 300.2051707623.

The spelling of 27055434 in words is "twenty-seven million, fifty-five thousand, four hundred thirty-four".