27755055275 has 6 divisors (see below), whose sum is σ = 34416268572. Its totient is φ = 22204044200.

The previous prime is 27755055257. The next prime is 27755055283. The reversal of 27755055275 is 57255055772.

It is a happy number.

It is not a de Polignac number, because 27755055275 - 2³⁴ = 10575186091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 555101081 + ... + 555101130.

It is an arithmetic number, because the mean of its divisors is an integer number (5736044762).

Almost surely, 2^27755055275 is an apocalyptic number.

27755055275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27755055275 is a deficient number, since it is larger than the sum of its proper divisors (6661213297).

27755055275 is a wasteful number, since it uses less digits than its factorization.

27755055275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110202221 (or 1110202216 counting only the distinct ones).

The product of its (nonzero) digits is 4287500, while the sum is 50.

The spelling of 27755055275 in words is "twenty-seven billion, seven hundred fifty-five million, fifty-five thousand, two hundred seventy-five".