52366216 has 64 divisors (see below), whose sum is σ = 118483200. Its totient is φ = 21212928.

The previous prime is 52366187. The next prime is 52366229. The reversal of 52366216 is 61266325.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140206 + ... + 140578.

It is an arithmetic number, because the mean of its divisors is an integer number (1851300).

Almost surely, 2^52366216 is an apocalyptic number.

52366216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52366216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59241600).

52366216 is an abundant number, since it is smaller than the sum of its proper divisors (66116984).

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

52366216 is a wasteful number, since it uses less digits than its factorization.

52366216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 514 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 52366216 is about 7236.4505111277. The cubic root of 52366216 is about 374.1252880787.

The spelling of 52366216 in words is "fifty-two million, three hundred sixty-six thousand, two hundred sixteen".