52217712 has 60 divisors (see below), whose sum is σ = 147546360. Its totient is φ = 17238144.

The previous prime is 52217689. The next prime is 52217717. The reversal of 52217712 is 21771225.

52217712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52217717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13714 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (2459106).

Almost surely, 2^52217712 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 52217712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73773180).

52217712 is an abundant number, since it is smaller than the sum of its proper divisors (95328648).

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

52217712 is a wasteful number, since it uses less digits than its factorization.

52217712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 3501 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 52217712 is about 7226.1823945981. The cubic root of 52217712 is about 373.7712958265.

Adding to 52217712 its reverse (21771225), we get a palindrome (73988937).

The spelling of 52217712 in words is "fifty-two million, two hundred seventeen thousand, seven hundred twelve".