54224028 has 18 divisors (see below), whose sum is σ = 137066384. Its totient is φ = 18074664.

The previous prime is 54224021. The next prime is 54224029. The reversal of 54224028 is 82042245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 54223992 and 54224010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54224021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753076 + ... + 753147.

Almost surely, 2^54224028 is an apocalyptic number.

It is an amenable number.

54224028 is an abundant number, since it is smaller than the sum of its proper divisors (82842356).

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

54224028 is a wasteful number, since it uses less digits than its factorization.

54224028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506233 (or 1506228 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 54224028 is about 7363.6966260160. The cubic root of 54224028 is about 378.4982930411.

The spelling of 54224028 in words is "fifty-four million, two hundred twenty-four thousand, twenty-eight".