54423920 has 20 divisors (see below), whose sum is σ = 126535800. Its totient is φ = 21769536.

The previous prime is 54423841. The next prime is 54423937. The reversal of 54423920 is 2932445.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340070 + ... + 340229.

It is an arithmetic number, because the mean of its divisors is an integer number (6326790).

Almost surely, 2^54423920 is an apocalyptic number.

It is an amenable number.

54423920 is an abundant number, since it is smaller than the sum of its proper divisors (72111880).

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

54423920 is a wasteful number, since it uses less digits than its factorization.

54423920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680312 (or 680306 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 54423920 is about 7377.2569427938. The cubic root of 54423920 is about 378.9628226587.

The spelling of 54423920 in words is "fifty-four million, four hundred twenty-three thousand, nine hundred twenty".