53243305 has 8 divisors (see below), whose sum is σ = 63951552. Its totient is φ = 42554928.

The previous prime is 53243279. The next prime is 53243327. The reversal of 53243305 is 50334235.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53243305 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53243305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (7993944).

Almost surely, 2^53243305 is an apocalyptic number.

It is an amenable number.

53243305 is a deficient number, since it is larger than the sum of its proper divisors (10708247).

53243305 is a wasteful number, since it uses less digits than its factorization.

53243305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 53243305 is about 7296.8010114022. The cubic root of 53243305 is about 376.2024925024.

The spelling of 53243305 in words is "fifty-three million, two hundred forty-three thousand, three hundred five".