52201530 has 64 divisors (see below), whose sum is σ = 139841280. Its totient is φ = 13856832.

The previous prime is 52201507. The next prime is 52201549. The reversal of 52201530 is 3510225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106947 + ... + 107433.

It is an arithmetic number, because the mean of its divisors is an integer number (2185020).

Almost surely, 2^52201530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52201530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69920640).

52201530 is an abundant number, since it is smaller than the sum of its proper divisors (87639750).

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

52201530 is a wasteful number, since it uses less digits than its factorization.

52201530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52201530 is about 7225.0626294863. The cubic root of 52201530 is about 373.7326819043.

Adding to 52201530 its reverse (3510225), we get a palindrome (55711755).

The spelling of 52201530 in words is "fifty-two million, two hundred one thousand, five hundred thirty".