53173268 has 12 divisors (see below), whose sum is σ = 93975252. Its totient is φ = 26323200.

The previous prime is 53173247. The next prime is 53173271. The reversal of 53173268 is 86237135.

It can be written as a sum of positive squares in 2 ways, for example, as 51093904 + 2079364 = 7148^2 + 1442^2 .

It is a congruent 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, 65405 + ... + 66212.

It is an arithmetic number, because the mean of its divisors is an integer number (7831271).

Almost surely, 2^53173268 is an apocalyptic number.

It is an amenable number.

53173268 is a deficient number, since it is larger than the sum of its proper divisors (40801984).

53173268 is a wasteful number, since it uses less digits than its factorization.

53173268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131722 (or 131720 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 53173268 is about 7292.0002742732. Note that the first 3 decimals coincide. The cubic root of 53173268 is about 376.0374660870.

The spelling of 53173268 in words is "fifty-three million, one hundred seventy-three thousand, two hundred sixty-eight".