53843 has 4 divisors (see below), whose sum is σ = 56208. Its totient is φ = 51480.

The previous prime is 53831. The next prime is 53849. The reversal of 53843 is 34835.

53843 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 an emirpimes, since its reverse is a distinct semiprime: 34835 = 5 ⋅6967.

It is a cyclic number.

It is not a de Polignac number, because 53843 - 2¹² = 49747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2341 = 53843 / (5 + 3 + 8 + 4 + 3).

It is a d-powerful number, because it can be written as 5³ + 3⁵ + 8⁵ + 4⁵ + 3⁹ .

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (53849) 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, 1148 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (14052).

2⁵³⁸⁴³ is an apocalyptic number.

53843 is a deficient number, since it is larger than the sum of its proper divisors (2365).

53843 is a wasteful number, since it uses less digits than its factorization.

53843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its digits is 1440, while the sum is 23.

The square root of 53843 is about 232.0409446628. The cubic root of 53843 is about 37.7609649010.

The spelling of 53843 in words is "fifty-three thousand, eight hundred forty-three".