53443230530 has 8 divisors (see below), whose sum is σ = 96197814972. Its totient is φ = 21377292208.

The previous prime is 53443230523. The next prime is 53443230539. The reversal of 53443230530 is 3503234435.

It can be written as a sum of positive squares in 2 ways, for example, as 53306036161 + 137194369 = 230881^2 + 11713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53443230539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672161517 + ... + 2672161536.

Almost surely, 2^53443230530 is an apocalyptic number.

53443230530 is a deficient number, since it is larger than the sum of its proper divisors (42754584442).

53443230530 is a wasteful number, since it uses less digits than its factorization.

53443230530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344323060.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 53443230530 its reverse (3503234435), we get a palindrome (56946464965).

The spelling of 53443230530 in words is "fifty-three billion, four hundred forty-three million, two hundred thirty thousand, five hundred thirty".