27554983 has 2 divisors, whose sum is σ = 27554984. Its totient is φ = 27554982.

The previous prime is 27554971. The next prime is 27554999. The reversal of 27554983 is 38945572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27554983 - 2⁵ = 27554951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27554903) by changing a digit.

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 as a sum of consecutive naturals, namely, 13777491 + 13777492.

It is an arithmetic number, because the mean of its divisors is an integer number (13777492).

Almost surely, 2^27554983 is an apocalyptic number.

27554983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27554983 is an equidigital number, since it uses as much as digits as its factorization.

27554983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 27554983 is about 5249.2840464200. The cubic root of 27554983 is about 302.0415677473.

The spelling of 27554983 in words is "twenty-seven million, five hundred fifty-four thousand, nine hundred eighty-three".