275275755 has 12 divisors (see below), whose sum is σ = 477144720. Its totient is φ = 146813712.

The previous prime is 275275751. The next prime is 275275771. The reversal of 275275755 is 557572572.

275275755 is a `hidden beast` number, since 2 + 75 + 2 + 7 + 575 + 5 = 666.

It is not a de Polignac number, because 275275755 - 2² = 275275751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6117239 = 275275755 / (2 + 7 + 5 + 2 + 7 + 5 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 275275755.

It is not an unprimeable number, because it can be changed into a prime (275275751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058575 + ... + 3058664.

It is an arithmetic number, because the mean of its divisors is an integer number (39762060).

Almost surely, 2^275275755 is an apocalyptic number.

275275755 is a deficient number, since it is larger than the sum of its proper divisors (201868965).

275275755 is a wasteful number, since it uses less digits than its factorization.

275275755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117250 (or 6117247 counting only the distinct ones).

The product of its digits is 857500, while the sum is 45.

The square root of 275275755 is about 16591.4361946156. The cubic root of 275275755 is about 650.5130111740.

The spelling of 275275755 in words is "two hundred seventy-five million, two hundred seventy-five thousand, seven hundred fifty-five".