54423040 has 80 divisors (see below), whose sum is σ = 149177952. Its totient is φ = 18653184.

The previous prime is 54423029. The next prime is 54423059. The reversal of 54423040 is 4032445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16402 + ... + 19438.

Almost surely, 2^54423040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74588976).

54423040 is an abundant number, since it is smaller than the sum of its proper divisors (94754912).

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

54423040 is an equidigital number, since it uses as much as digits as its factorization.

54423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54423040 is about 7377.1972997880. The cubic root of 54423040 is about 378.9607801188.

Adding to 54423040 its reverse (4032445), we get a palindrome (58455485).

The spelling of 54423040 in words is "fifty-four million, four hundred twenty-three thousand, forty".