27955361 has 16 divisors (see below), whose sum is σ = 33975936. Its totient is φ = 22454016.

The previous prime is 27955357. The next prime is 27955363. The reversal of 27955361 is 16355972.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27955361 - 2² = 27955357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27955363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40955 + ... + 41631.

It is an arithmetic number, because the mean of its divisors is an integer number (2123496).

Almost surely, 2^27955361 is an apocalyptic number.

It is an amenable number.

27955361 is a deficient number, since it is larger than the sum of its proper divisors (6020575).

27955361 is a wasteful number, since it uses less digits than its factorization.

27955361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its digits is 56700, while the sum is 38.

The square root of 27955361 is about 5287.2829506279. The cubic root of 27955361 is about 303.4974419582.

The spelling of 27955361 in words is "twenty-seven million, nine hundred fifty-five thousand, three hundred sixty-one".