27554081 has 2 divisors, whose sum is σ = 27554082. Its totient is φ = 27554080.

The previous prime is 27554057. The next prime is 27554101. The reversal of 27554081 is 18045572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 1380625 = 5116^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27554081 is a prime.

It is a super-2 number, since 2×27554081² = 1518454759509122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27554041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13777040 + 13777041.

It is an arithmetic number, because the mean of its divisors is an integer number (13777041).

Almost surely, 2^27554081 is an apocalyptic number.

It is an amenable number.

27554081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27554081 is an equidigital number, since it uses as much as digits as its factorization.

27554081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 27554081 is about 5249.1981292384. The cubic root of 27554081 is about 302.0382719796.

The spelling of 27554081 in words is "twenty-seven million, five hundred fifty-four thousand, eighty-one".