275553985 has 32 divisors (see below), whose sum is σ = 389825280. Its totient is φ = 183036672.

The previous prime is 275553953. The next prime is 275554001. The reversal of 275553985 is 589355572.

It is not a de Polignac number, because 275553985 - 2⁵ = 275553953 is a prime.

It is an unprimeable number.

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, 503482 + ... + 504028.

It is an arithmetic number, because the mean of its divisors is an integer number (12182040).

Almost surely, 2^275553985 is an apocalyptic number.

It is an amenable number.

275553985 is a deficient number, since it is larger than the sum of its proper divisors (114271295).

275553985 is a wasteful number, since it uses less digits than its factorization.

275553985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985.

The product of its digits is 1890000, while the sum is 49.

The square root of 275553985 is about 16599.8188243125. The cubic root of 275553985 is about 650.7321021374.

The spelling of 275553985 in words is "two hundred seventy-five million, five hundred fifty-three thousand, nine hundred eighty-five".