52684216 has 32 divisors (see below), whose sum is σ = 107346960. Its totient is φ = 24095232.

The previous prime is 52684211. The next prime is 52684223. The reversal of 52684216 is 61248625.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52684211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9511 + ... + 13993.

Almost surely, 2^52684216 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 52684216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53673480).

52684216 is an abundant number, since it is smaller than the sum of its proper divisors (54662744).

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

52684216 is a wasteful number, since it uses less digits than its factorization.

52684216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615 (or 4611 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 52684216 is about 7258.3893530177. The cubic root of 52684216 is about 374.8810668763.

It can be divided in two parts, 52684 and 216, that added together give a square (52900 = 230²).

The spelling of 52684216 in words is "fifty-two million, six hundred eighty-four thousand, two hundred sixteen".