27655093 has 2 divisors, whose sum is σ = 27655094. Its totient is φ = 27655092.

The previous prime is 27655091. The next prime is 27655097. The reversal of 27655093 is 39055672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27636049 + 19044 = 5257^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 27655093 - 2¹ = 27655091 is a prime.

Together with 27655091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27655091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13827546 + 13827547.

It is an arithmetic number, because the mean of its divisors is an integer number (13827547).

Almost surely, 2^27655093 is an apocalyptic number.

It is an amenable number.

27655093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27655093 is an equidigital number, since it uses as much as digits as its factorization.

27655093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 27655093 is about 5258.8109872860. The cubic root of 27655093 is about 302.4069080393.

The spelling of 27655093 in words is "twenty-seven million, six hundred fifty-five thousand, ninety-three".