548844 has 12 divisors (see below), whose sum is σ = 1280664. Its totient is φ = 182944.

The previous prime is 548843. The next prime is 548851. The reversal of 548844 is 448845.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (548843) 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, 22857 + ... + 22880.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2⁵⁴⁸⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

548844 is an abundant number, since it is smaller than the sum of its proper divisors (731820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

548844 is a wasteful number, since it uses less digits than its factorization.

548844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45744 (or 45742 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 548844 is about 740.8400637115. The cubic root of 548844 is about 81.8746846520.

Subtracting from 548844 its reverse (448845), we obtain a palindrome (99999).

The spelling of 548844 in words is "five hundred forty-eight thousand, eight hundred forty-four".