53784224 has 24 divisors (see below), whose sum is σ = 114033780. Its totient is φ = 24823296.

The previous prime is 53784221. The next prime is 53784233. The reversal of 53784224 is 42248735.

It can be written as a sum of positive squares in 2 ways, for example, as 52823824 + 960400 = 7268^2 + 980^2 .

It is not an unprimeable number, because it can be changed into a prime (53784221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64229 + ... + 65060.

Almost surely, 2^53784224 is an apocalyptic number.

It is an amenable number.

53784224 is an abundant number, since it is smaller than the sum of its proper divisors (60249556).

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

53784224 is a wasteful number, since it uses less digits than its factorization.

53784224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129312 (or 129304 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 53784224 is about 7333.7728353147. The cubic root of 53784224 is about 377.4721971249.

The spelling of 53784224 in words is "fifty-three million, seven hundred eighty-four thousand, two hundred twenty-four".