27775055 has 32 divisors (see below), whose sum is σ = 43752960. Its totient is φ = 16398720.

The previous prime is 27775043. The next prime is 27775103. The reversal of 27775055 is 55057772.

It is a happy number.

It is not a de Polignac number, because 27775055 - 2¹⁰ = 27774031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5417 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (1367280).

Almost surely, 2^27775055 is an apocalyptic number.

27775055 is a deficient number, since it is larger than the sum of its proper divisors (15977905).

27775055 is a wasteful number, since it uses less digits than its factorization.

27775055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 27775055 is about 5270.2044552370. The cubic root of 27775055 is about 302.8435365842.

The spelling of 27775055 in words is "twenty-seven million, seven hundred seventy-five thousand, fifty-five".