53366784 has 104 divisors (see below), whose sum is σ = 147044832. Its totient is φ = 17203200.

The previous prime is 53366777. The next prime is 53366809. The reversal of 53366784 is 48766335.

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, 528334 + ... + 528434.

Almost surely, 2^53366784 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 53366784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73522416).

53366784 is an abundant number, since it is smaller than the sum of its proper divisors (93678048).

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

53366784 is a wasteful number, since it uses less digits than its factorization.

53366784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 149 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 53366784 is about 7305.2572849969. The cubic root of 53366784 is about 376.4930908118.

The spelling of 53366784 in words is "fifty-three million, three hundred sixty-six thousand, seven hundred eighty-four".