275091955 has 8 divisors (see below), whose sum is σ = 331187472. Its totient is φ = 219355488.

The previous prime is 275091953. The next prime is 275091961. The reversal of 275091955 is 559190572.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275091955 - 2¹ = 275091953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275091953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88072 + ... + 91141.

It is an arithmetic number, because the mean of its divisors is an integer number (41398434).

Almost surely, 2^275091955 is an apocalyptic number.

275091955 is a deficient number, since it is larger than the sum of its proper divisors (56095517).

275091955 is a wasteful number, since it uses less digits than its factorization.

275091955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179525.

The product of its (nonzero) digits is 141750, while the sum is 43.

The square root of 275091955 is about 16585.8962676124. The cubic root of 275091955 is about 650.3681977037.

The spelling of 275091955 in words is "two hundred seventy-five million, ninety-one thousand, nine hundred fifty-five".