53389 has 8 divisors (see below), whose sum is σ = 63360. Its totient is φ = 44016.

The previous prime is 53381. The next prime is 53401. The reversal of 53389 is 98335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53389 - 2³ = 53381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (7920).

2⁵³³⁸⁹ is an apocalyptic number.

It is an amenable number.

53389 is a deficient number, since it is larger than the sum of its proper divisors (9971).

53389 is a wasteful number, since it uses less digits than its factorization.

53389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 3240, while the sum is 28.

The square root of 53389 is about 231.0605981123. The cubic root of 53389 is about 37.6545326863.

Subtracting from 53389 its sum of digits (28), we obtain a square (53361 = 231²).

The spelling of 53389 in words is "fifty-three thousand, three hundred eighty-nine".