53239 has 2 divisors, whose sum is σ = 53240. Its totient is φ = 53238.

The previous prime is 53233. The next prime is 53267. The reversal of 53239 is 93235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53239 - 2³ = 53231 is a prime.

It is a super-2 number, since 2×53239² = 5668782242, which contains 22 as substring.

It is a Chen prime.

53239 is a lucky number.

It is a plaindrome in base 11 and base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53231) 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 as a sum of consecutive naturals, namely, 26619 + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (26620).

2⁵³²³⁹ is an apocalyptic number.

53239 is a deficient number, since it is larger than the sum of its proper divisors (1).

53239 is an equidigital number, since it uses as much as digits as its factorization.

53239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 22.

The square root of 53239 is about 230.7357796268. The cubic root of 53239 is about 37.6192352915.

It can be divided in two parts, 53 and 239, that added together give a palindrome (292).

The spelling of 53239 in words is "fifty-three thousand, two hundred thirty-nine".