53530230 has 64 divisors (see below), whose sum is σ = 143156160. Its totient is φ = 12719616.

The previous prime is 53530189. The next prime is 53530241. The reversal of 53530230 is 3203535.

It is a junction number, because it is equal to n+sod(n) for n = 53530197 and 53530206.

It is a congruent 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, 8944 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (2236815).

Almost surely, 2^53530230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53530230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71578080).

53530230 is an abundant number, since it is smaller than the sum of its proper divisors (89625930).

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

53530230 is a wasteful number, since it uses less digits than its factorization.

53530230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 53530230 is about 7316.4356075893. The cubic root of 53530230 is about 376.8770598250.

Adding to 53530230 its reverse (3203535), we get a palindrome (56733765).

The spelling of 53530230 in words is "fifty-three million, five hundred thirty thousand, two hundred thirty".