56393 has 2 divisors, whose sum is σ = 56394. Its totient is φ = 56392.

The previous prime is 56383. The next prime is 56401. The reversal of 56393 is 39365.

56393 is nontrivially palindromic in base 5.

56393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 11449 = 212^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 56393 - 2⁴ = 56377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28196 + 28197.

It is an arithmetic number, because the mean of its divisors is an integer number (28197).

2⁵⁶³⁹³ is an apocalyptic number.

It is an amenable number.

56393 is a deficient number, since it is larger than the sum of its proper divisors (1).

56393 is an equidigital number, since it uses as much as digits as its factorization.

56393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 26.

The square root of 56393 is about 237.4721036248. The cubic root of 56393 is about 38.3479129586.

It can be divided in two parts, 563 and 93, that added together give a palindrome (656).

The spelling of 56393 in words is "fifty-six thousand, three hundred ninety-three".