27056305 has 8 divisors (see below), whose sum is σ = 32519592. Its totient is φ = 21610368.

The previous prime is 27056297. The next prime is 27056317. The reversal of 27056305 is 50365072.

It can be written as a sum of positive squares in 4 ways, for example, as 4787344 + 22268961 = 2188^2 + 4719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27056305 - 2³ = 27056297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (4064949).

Almost surely, 2^27056305 is an apocalyptic number.

It is an amenable number.

27056305 is a deficient number, since it is larger than the sum of its proper divisors (5463287).

27056305 is an equidigital number, since it uses as much as digits as its factorization.

27056305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 27056305 is about 5201.5675521904. The cubic root of 27056305 is about 300.2083922458.

The spelling of 27056305 in words is "twenty-seven million, fifty-six thousand, three hundred five".