27097556 has 12 divisors (see below), whose sum is σ = 48577620. Its totient is φ = 13218240.

The previous prime is 27097537. The next prime is 27097559. The reversal of 27097556 is 65579072.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 23232400 = 1966^2 + 4820^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27097559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82451 + ... + 82778.

It is an arithmetic number, because the mean of its divisors is an integer number (4048135).

Almost surely, 2^27097556 is an apocalyptic number.

It is an amenable number.

27097556 is a deficient number, since it is larger than the sum of its proper divisors (21480064).

27097556 is a wasteful number, since it uses less digits than its factorization.

27097556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165274 (or 165272 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 27097556 is about 5205.5312889272. The cubic root of 27097556 is about 300.3608842197.

The spelling of 27097556 in words is "twenty-seven million, ninety-seven thousand, five hundred fifty-six".