53369 has 4 divisors (see below), whose sum is σ = 54096. Its totient is φ = 52644.

The previous prime is 53359. The next prime is 53377. The reversal of 53369 is 96335.

53369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 96335 = 5 ⋅19267.

It is a cyclic number.

It is not a de Polignac number, because 53369 - 2⁴ = 53353 is a prime.

It is a super-2 number, since 2×53369² = 5696500322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53309) 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, 239 + ... + 404.

It is an arithmetic number, because the mean of its divisors is an integer number (13524).

2⁵³³⁶⁹ is an apocalyptic number.

It is an amenable number.

53369 is a deficient number, since it is larger than the sum of its proper divisors (727).

53369 is an equidigital number, since it uses as much as digits as its factorization.

53369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

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

The square root of 53369 is about 231.0173153684. The cubic root of 53369 is about 37.6498301901.

The spelling of 53369 in words is "fifty-three thousand, three hundred sixty-nine".