52223616 has 192 divisors, whose sum is σ = 164848320. Its totient is φ = 16422912.

The previous prime is 52223599. The next prime is 52223617. The reversal of 52223616 is 61632225.

52223616 is a `hidden beast` number, since 5 + 22 + 23 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52223616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715356 + ... + 715428.

It is an arithmetic number, because the mean of its divisors is an integer number (858585).

Almost surely, 2^52223616 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 52223616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82424160).

52223616 is an abundant number, since it is smaller than the sum of its proper divisors (112624704).

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

52223616 is an equidigital number, since it uses as much as digits as its factorization.

52223616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 101 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 52223616 is about 7226.5908975118. The cubic root of 52223616 is about 373.7853821233.

The spelling of 52223616 in words is "fifty-two million, two hundred twenty-three thousand, six hundred sixteen".