54228320 has 24 divisors (see below), whose sum is σ = 128114784. Its totient is φ = 21691264.

The previous prime is 54228313. The next prime is 54228359. The reversal of 54228320 is 2382245.

It is a self number, because there is not a number n which added to its sum of digits gives 54228320.

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, 169304 + ... + 169623.

It is an arithmetic number, because the mean of its divisors is an integer number (5338116).

Almost surely, 2^54228320 is an apocalyptic number.

It is an amenable number.

54228320 is an abundant number, since it is smaller than the sum of its proper divisors (73886464).

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

54228320 is a wasteful number, since it uses less digits than its factorization.

54228320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338942 (or 338934 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 54228320 is about 7363.9880499631. The cubic root of 54228320 is about 378.5082792156.

The spelling of 54228320 in words is "fifty-four million, two hundred twenty-eight thousand, three hundred twenty".