275053385 has 4 divisors (see below), whose sum is σ = 330064068. Its totient is φ = 220042704.

The previous prime is 275053349. The next prime is 275053391. The reversal of 275053385 is 583350572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 171583801 + 103469584 = 13099^2 + 10172^2 .

It is a cyclic number.

It is not a de Polignac number, because 275053385 - 2⁶ = 275053321 is a prime.

It is a Duffinian 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, 27505334 + ... + 27505343.

It is an arithmetic number, because the mean of its divisors is an integer number (82516017).

Almost surely, 2^275053385 is an apocalyptic number.

It is an amenable number.

275053385 is a deficient number, since it is larger than the sum of its proper divisors (55010683).

275053385 is an equidigital number, since it uses as much as digits as its factorization.

275053385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010682.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 275053385 is about 16584.7334919799. The cubic root of 275053385 is about 650.3378007481.

The spelling of 275053385 in words is "two hundred seventy-five million, fifty-three thousand, three hundred eighty-five".