52206630 has 64 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 11608704.

The previous prime is 52206617. The next prime is 52206631. The reversal of 52206630 is 3660225.

It is a self number, because there is not a number n which added to its sum of digits gives 52206630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52206631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4411 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^52206630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52206630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73543680).

52206630 is an abundant number, since it is smaller than the sum of its proper divisors (94880730).

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

52206630 is a wasteful number, since it uses less digits than its factorization.

52206630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 52206630 is about 7225.4155589834. The cubic root of 52206630 is about 373.7448525221.

Adding to 52206630 its reverse (3660225), we get a palindrome (55866855).

The spelling of 52206630 in words is "fifty-two million, two hundred six thousand, six hundred thirty".