27955255 has 4 divisors (see below), whose sum is σ = 33546312. Its totient is φ = 22364200.

The previous prime is 27955241. The next prime is 27955307. The reversal of 27955255 is 55255972.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27955255 - 2⁵ = 27955223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795521 + ... + 2795530.

It is an arithmetic number, because the mean of its divisors is an integer number (8386578).

Almost surely, 2^27955255 is an apocalyptic number.

27955255 is a deficient number, since it is larger than the sum of its proper divisors (5591057).

27955255 is an equidigital number, since it uses as much as digits as its factorization.

27955255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591056.

The product of its digits is 157500, while the sum is 40.

The square root of 27955255 is about 5287.2729265662. The cubic root of 27955255 is about 303.4970583613.

The spelling of 27955255 in words is "twenty-seven million, nine hundred fifty-five thousand, two hundred fifty-five".