53683236 has 60 divisors (see below), whose sum is σ = 141157632. Its totient is φ = 17790192.

The previous prime is 53683213. The next prime is 53683237. The reversal of 53683236 is 63238635.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53683236.

It is not an unprimeable number, because it can be changed into a prime (53683237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71881 + ... + 72623.

Almost surely, 2^53683236 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 53683236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70578816).

53683236 is an abundant number, since it is smaller than the sum of its proper divisors (87474396).

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

53683236 is a wasteful number, since it uses less digits than its factorization.

53683236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 971 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 53683236 is about 7326.8844674937. The cubic root of 53683236 is about 377.2357954250.

The spelling of 53683236 in words is "fifty-three million, six hundred eighty-three thousand, two hundred thirty-six".