54428 has 12 divisors (see below), whose sum is σ = 103992. Its totient is φ = 24720.

The previous prime is 54421. The next prime is 54437. The reversal of 54428 is 82445.

54428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421) by changing a digit.

54428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (8666).

2⁵⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

54428 is a deficient number, since it is larger than the sum of its proper divisors (49564).

54428 is a wasteful number, since it uses less digits than its factorization.

54428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1250 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 54428 is about 233.2980925769. The cubic root of 54428 is about 37.8972292329.

The spelling of 54428 in words is "fifty-four thousand, four hundred twenty-eight".