52643 has 4 divisors (see below), whose sum is σ = 53568. Its totient is φ = 51720.

The previous prime is 52639. The next prime is 52667. The reversal of 52643 is 34625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52643 - 2² = 52639 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52673) 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, 371 + ... + 492.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2⁵²⁶⁴³ is an apocalyptic number.

52643 is a deficient number, since it is larger than the sum of its proper divisors (925).

52643 is an equidigital number, since it uses as much as digits as its factorization.

52643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its digits is 720, while the sum is 20.

The square root of 52643 is about 229.4406241275. The cubic root of 52643 is about 37.4783282187.

The spelling of 52643 in words is "fifty-two thousand, six hundred forty-three".