52201520 has 120 divisors (see below), whose sum is σ = 144803232. Its totient is φ = 17141760.

The previous prime is 52201507. The next prime is 52201549. The reversal of 52201520 is 2510225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538112 + ... + 538208.

Almost surely, 2^52201520 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 52201520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72401616).

52201520 is an abundant number, since it is smaller than the sum of its proper divisors (92601712).

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

52201520 is a wasteful number, since it uses less digits than its factorization.

52201520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52201520 is about 7225.0619374508. The cubic root of 52201520 is about 373.7326580396.

Adding to 52201520 its reverse (2510225), we get a palindrome (54711745).

The spelling of 52201520 in words is "fifty-two million, two hundred one thousand, five hundred twenty".