54408 has 16 divisors (see below), whose sum is σ = 136080. Its totient is φ = 18128.

The previous prime is 54403. The next prime is 54409. The reversal of 54408 is 80445.

It is not an unprimeable number, because it can be changed into a prime (54401) by changing a digit.

54408 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, 1110 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (8505).

2⁵⁴⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

54408 is an abundant number, since it is smaller than the sum of its proper divisors (81672).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68040).

54408 is a wasteful number, since it uses less digits than its factorization.

54408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 54408 is about 233.2552250219. The cubic root of 54408 is about 37.8925867851.

The spelling of 54408 in words is "fifty-four thousand, four hundred eight".