27825055 has 16 divisors (see below), whose sum is σ = 35126784. Its totient is φ = 21118240.

The previous prime is 27825023. The next prime is 27825059. The reversal of 27825055 is 55052872.

It is not a de Polignac number, because 27825055 - 2⁵ = 27825023 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 27825055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27825059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14142 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (2195424).

Almost surely, 2^27825055 is an apocalyptic number.

27825055 is a deficient number, since it is larger than the sum of its proper divisors (7301729).

27825055 is a wasteful number, since it uses less digits than its factorization.

27825055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 27825055 is about 5274.9459712873. The cubic root of 27825055 is about 303.0251515826.

The spelling of 27825055 in words is "twenty-seven million, eight hundred twenty-five thousand, fifty-five".