53331 has 8 divisors (see below), whose sum is σ = 73680. Its totient is φ = 34272.

The previous prime is 53327. The next prime is 53353. The reversal of 53331 is 13335.

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

It is not a de Polignac number, because 53331 - 2² = 53327 is a prime.

It is a super-2 number, since 2×53331² = 5688391122, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 53331.

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, 220 + ... + 393.

It is an arithmetic number, because the mean of its divisors is an integer number (9210).

2⁵³³³¹ is an apocalyptic number.

53331 is a deficient number, since it is larger than the sum of its proper divisors (20349).

53331 is a wasteful number, since it uses less digits than its factorization.

53331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its digits is 135, while the sum is 15.

The square root of 53331 is about 230.9350558057. The cubic root of 53331 is about 37.6408922096.

Adding to 53331 its reverse (13335), we get a palindrome (66666).

The spelling of 53331 in words is "fifty-three thousand, three hundred thirty-one".