53393 has 4 divisors (see below), whose sum is σ = 54000. Its totient is φ = 52788.

The previous prime is 53381. The next prime is 53401. The reversal of 53393 is 39335.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39335 = 5 ⋅7867.

It is a cyclic number.

It is not a de Polignac number, because 53393 - 2⁴ = 53377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53393.

It is not an unprimeable number, because it can be changed into a prime (53323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 356.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2⁵³³⁹³ is an apocalyptic number.

It is an amenable number.

53393 is a deficient number, since it is larger than the sum of its proper divisors (607).

53393 is a wasteful number, since it uses less digits than its factorization.

53393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its digits is 1215, while the sum is 23.

The square root of 53393 is about 231.0692536882. The cubic root of 53393 is about 37.6554730446.

It can be divided in two parts, 533 and 93, that added together give a palindrome (626).

The spelling of 53393 in words is "fifty-three thousand, three hundred ninety-three".