52171266 has 64 divisors (see below), whose sum is σ = 127837440. Its totient is φ = 13854720.

The previous prime is 52171253. The next prime is 52171277. The reversal of 52171266 is 66217125.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63136 + ... + 63956.

It is an arithmetic number, because the mean of its divisors is an integer number (1997460).

Almost surely, 2^52171266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52171266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63918720).

52171266 is an abundant number, since it is smaller than the sum of its proper divisors (75666174).

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

52171266 is a wasteful number, since it uses less digits than its factorization.

52171266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 5040, while the sum is 30.

The square root of 52171266 is about 7222.9679495343. The cubic root of 52171266 is about 373.6604437127.

The spelling of 52171266 in words is "fifty-two million, one hundred seventy-one thousand, two hundred sixty-six".