53143 has 4 divisors (see below), whose sum is σ = 55960. Its totient is φ = 50328.

The previous prime is 53129. The next prime is 53147. The reversal of 53143 is 34135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34135 = 5 ⋅6827.

It is a cyclic number.

It is not a de Polignac number, because 53143 - 2⁹ = 52631 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 (53147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (13990).

2⁵³¹⁴³ is an apocalyptic number.

53143 is a deficient number, since it is larger than the sum of its proper divisors (2817).

53143 is a wasteful number, since it uses less digits than its factorization.

53143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

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

The square root of 53143 is about 230.5276556077. The cubic root of 53143 is about 37.5966101516.

Adding to 53143 its reverse (34135), we get a palindrome (87278).

It can be divided in two parts, 53 and 143, that added together give a square (196 = 14²).

The spelling of 53143 in words is "fifty-three thousand, one hundred forty-three".