27938055 has 24 divisors (see below), whose sum is σ = 47473776. Its totient is φ = 13981440.

The previous prime is 27938051. The next prime is 27938059. The reversal of 27938055 is 55083972.

It is an interprime number because it is at equal distance from previous prime (27938051) and next prime (27938059).

It is not a de Polignac number, because 27938055 - 2² = 27938051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27938051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84240 + ... + 84570.

It is an arithmetic number, because the mean of its divisors is an integer number (1978074).

Almost surely, 2^27938055 is an apocalyptic number.

27938055 is a deficient number, since it is larger than the sum of its proper divisors (19535721).

27938055 is an equidigital number, since it uses as much as digits as its factorization.

27938055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 27938055 is about 5285.6461289042. The cubic root of 27938055 is about 303.4348014872.

The spelling of 27938055 in words is "twenty-seven million, nine hundred thirty-eight thousand, fifty-five".