52530143 has 8 divisors (see below), whose sum is σ = 54551616. Its totient is φ = 50544000.

The previous prime is 52530139. The next prime is 52530199. The reversal of 52530143 is 34103525.

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

It is a cyclic number.

It is not a de Polignac number, because 52530143 - 2² = 52530139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52539143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5783 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (6818952).

Almost surely, 2^52530143 is an apocalyptic number.

52530143 is a deficient number, since it is larger than the sum of its proper divisors (2021473).

52530143 is a wasteful number, since it uses less digits than its factorization.

52530143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17665.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52530143 is about 7247.7681392274. The cubic root of 52530143 is about 374.5152682154.

Adding to 52530143 its reverse (34103525), we get a palindrome (86633668).

The spelling of 52530143 in words is "fifty-two million, five hundred thirty thousand, one hundred forty-three".