53664263 has 8 divisors (see below), whose sum is σ = 54136320. Its totient is φ = 53194680.

The previous prime is 53664251. The next prime is 53664269. The reversal of 53664263 is 36246635.

53664263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53664263 - 2²⁰ = 52615687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53664269) 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 7 ways as a sum of consecutive naturals, for example, 88106 + ... + 88712.

It is an arithmetic number, because the mean of its divisors is an integer number (6767040).

Almost surely, 2^53664263 is an apocalyptic number.

53664263 is a deficient number, since it is larger than the sum of its proper divisors (472057).

53664263 is a wasteful number, since it uses less digits than its factorization.

53664263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237.

The product of its digits is 77760, while the sum is 35.

The square root of 53664263 is about 7325.5896008444. The cubic root of 53664263 is about 377.1913486626.

The spelling of 53664263 in words is "fifty-three million, six hundred sixty-four thousand, two hundred sixty-three".