27161055 has 16 divisors (see below), whose sum is σ = 48286560. Its totient is φ = 14485824.

The previous prime is 27161039. The next prime is 27161059. The reversal of 27161055 is 55016172.

It is not a de Polignac number, because 27161055 - 2⁴ = 27161039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27161059) 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 in 15 ways as a sum of consecutive naturals, for example, 100462 + ... + 100731.

It is an arithmetic number, because the mean of its divisors is an integer number (3017910).

Almost surely, 2^27161055 is an apocalyptic number.

27161055 is a deficient number, since it is larger than the sum of its proper divisors (21125505).

27161055 is a wasteful number, since it uses less digits than its factorization.

27161055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201207 (or 201201 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 27161055 is about 5211.6269052955. The cubic root of 27161055 is about 300.5953178740.

The spelling of 27161055 in words is "twenty-seven million, one hundred sixty-one thousand, fifty-five".