53665274 has 24 divisors (see below), whose sum is σ = 87752160. Its totient is φ = 24602448.

The previous prime is 53665267. The next prime is 53665289. The reversal of 53665274 is 47256635.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60059 + ... + 60945.

It is an arithmetic number, because the mean of its divisors is an integer number (3656340).

Almost surely, 2^53665274 is an apocalyptic number.

53665274 is a deficient number, since it is larger than the sum of its proper divisors (34086886).

53665274 is a wasteful number, since it uses less digits than its factorization.

53665274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1081 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 53665274 is about 7325.6586052040. The cubic root of 53665274 is about 377.1937173281.

The spelling of 53665274 in words is "fifty-three million, six hundred sixty-five thousand, two hundred seventy-four".