275555250 has 64 divisors (see below), whose sum is σ = 764225280. Its totient is φ = 73479600.

The previous prime is 275555221. The next prime is 275555257. The reversal of 275555250 is 52555572.

275555250 is a `hidden beast` number, since 2 + 7 + 55 + 552 + 50 = 666.

275555250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (275555257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13662 + ... + 27161.

It is an arithmetic number, because the mean of its divisors is an integer number (11941020).

Almost surely, 2^275555250 is an apocalyptic number.

275555250 is an abundant number, since it is smaller than the sum of its proper divisors (488670030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275555250 is a wasteful number, since it uses less digits than its factorization.

275555250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40849 (or 40833 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 275555250 is about 16599.8569270943. The cubic root of 275555250 is about 650.7330979191.

The spelling of 275555250 in words is "two hundred seventy-five million, five hundred fifty-five thousand, two hundred fifty".