53368393 has 16 divisors (see below), whose sum is σ = 59449936. Its totient is φ = 47589120.

The previous prime is 53368387. The next prime is 53368411. The reversal of 53368393 is 39386335.

53368393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 20684304 + 32684089 = 4548^2 + 5717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53368393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53368493) 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 15 ways as a sum of consecutive naturals, for example, 86755 + ... + 87367.

It is an arithmetic number, because the mean of its divisors is an integer number (3715621).

Almost surely, 2^53368393 is an apocalyptic number.

It is an amenable number.

53368393 is a deficient number, since it is larger than the sum of its proper divisors (6081543).

53368393 is a wasteful number, since it uses less digits than its factorization.

53368393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 174960, while the sum is 40.

The square root of 53368393 is about 7305.3674103360. The cubic root of 53368393 is about 376.4968745093.

The spelling of 53368393 in words is "fifty-three million, three hundred sixty-eight thousand, three hundred ninety-three".