53243313 has 8 divisors (see below), whose sum is σ = 71112000. Its totient is φ = 35435088.

The previous prime is 53243279. The next prime is 53243327. The reversal of 53243313 is 31334235.

It is a happy number.

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

It is not a de Polignac number, because 53243313 - 2⁶ = 53243249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53243363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13018 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (8889000).

Almost surely, 2^53243313 is an apocalyptic number.

It is an amenable number.

53243313 is a deficient number, since it is larger than the sum of its proper divisors (17868687).

53243313 is a wasteful number, since it uses less digits than its factorization.

53243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30231.

The product of its digits is 3240, while the sum is 24.

The square root of 53243313 is about 7296.8015595876. The cubic root of 53243313 is about 376.2025113444.

Adding to 53243313 its reverse (31334235), we get a palindrome (84577548).

The spelling of 53243313 in words is "fifty-three million, two hundred forty-three thousand, three hundred thirteen".