52113216 has 56 divisors (see below), whose sum is σ = 143889984. Its totient is φ = 16614400.

The previous prime is 52113199. The next prime is 52113223. The reversal of 52113216 is 61231125.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52113192 and 52113201.

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, 1485 + ... + 10316.

It is an arithmetic number, because the mean of its divisors is an integer number (2569464).

Almost surely, 2^52113216 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 52113216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71944992).

52113216 is an abundant number, since it is smaller than the sum of its proper divisors (91776768).

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

52113216 is a wasteful number, since it uses less digits than its factorization.

52113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11839 (or 11829 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 52113216 is about 7218.9483998710. The cubic root of 52113216 is about 373.5218039310.

The spelling of 52113216 in words is "fifty-two million, one hundred thirteen thousand, two hundred sixteen".