27620055 has 32 divisors (see below), whose sum is σ = 49579200. Its totient is φ = 14587776.

The previous prime is 27620051. The next prime is 27620081. The reversal of 27620055 is 55002672.

It is not a de Polignac number, because 27620055 - 2² = 27620051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27620051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13777 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (1549350).

Almost surely, 2^27620055 is an apocalyptic number.

27620055 is a deficient number, since it is larger than the sum of its proper divisors (21959145).

27620055 is a wasteful number, since it uses less digits than its factorization.

27620055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 27620055 is about 5255.4785700258. The cubic root of 27620055 is about 302.2791412032.

The spelling of 27620055 in words is "twenty-seven million, six hundred twenty thousand, fifty-five".