54643 has 4 divisors (see below), whose sum is σ = 55728. Its totient is φ = 53560.

The previous prime is 54631. The next prime is 54647. The reversal of 54643 is 34645.

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 54643 - 2¹³ = 46451 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (54647) 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, 463 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (13932).

2⁵⁴⁶⁴³ is an apocalyptic number.

54643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54643 is a deficient number, since it is larger than the sum of its proper divisors (1085).

54643 is a wasteful number, since it uses less digits than its factorization.

54643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 1440, while the sum is 22.

The square root of 54643 is about 233.7584223082. The cubic root of 54643 is about 37.9470638720.

The spelling of 54643 in words is "fifty-four thousand, six hundred forty-three".