53431 has 8 divisors (see below), whose sum is σ = 64800. Its totient is φ = 43008.

The previous prime is 53419. The next prime is 53437. The reversal of 53431 is 13435.

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

It is not a de Polignac number, because 53431 - 2⁹ = 52919 is a prime.

It is a super-2 number, since 2×53431² = 5709743522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2⁵³⁴³¹ is an apocalyptic number.

53431 is a deficient number, since it is larger than the sum of its proper divisors (11369).

53431 is a wasteful number, since it uses less digits than its factorization.

53431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 180, while the sum is 16.

The square root of 53431 is about 231.1514654939. The cubic root of 53431 is about 37.6644041070.

Adding to 53431 its reverse (13435), we get a palindrome (66866).

It can be divided in two parts, 534 and 31, that added together give a palindrome (565).

The spelling of 53431 in words is "fifty-three thousand, four hundred thirty-one".