52705352216 has 64 divisors (see below), whose sum is σ = 109515490560. Its totient is φ = 23577840000.

The previous prime is 52705352213. The next prime is 52705352221. The reversal of 52705352216 is 61225350725.

52705352216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52705352216² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52705352216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52705352213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7667261 + ... + 7674131.

It is an arithmetic number, because the mean of its divisors is an integer number (1711179540).

Almost surely, 2^52705352216 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 52705352216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54757745280).

52705352216 is an abundant number, since it is smaller than the sum of its proper divisors (56810138344).

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

52705352216 is a wasteful number, since it uses less digits than its factorization.

52705352216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8252 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 52705352216 in words is "fifty-two billion, seven hundred five million, three hundred fifty-two thousand, two hundred sixteen".