53036784 has 90 divisors (see below), whose sum is σ = 154635936. Its totient is φ = 16951680.

The previous prime is 53036779. The next prime is 53036807. The reversal of 53036784 is 48763035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 486522 + ... + 486630.

Almost surely, 2^53036784 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 53036784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77317968).

53036784 is an abundant number, since it is smaller than the sum of its proper divisors (101599152).

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

53036784 is a wasteful number, since it uses less digits than its factorization.

53036784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 53036784 is about 7282.6357865817. The cubic root of 53036784 is about 375.7154554612.

The spelling of 53036784 in words is "fifty-three million, thirty-six thousand, seven hundred eighty-four".