52530142 has 8 divisors (see below), whose sum is σ = 90051696. Its totient is φ = 22512912.

The previous prime is 52530139. The next prime is 52530199. The reversal of 52530142 is 24103525.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876063 + ... + 1876090.

It is an arithmetic number, because the mean of its divisors is an integer number (11256462).

Almost surely, 2^52530142 is an apocalyptic number.

52530142 is a deficient number, since it is larger than the sum of its proper divisors (37521554).

52530142 is a wasteful number, since it uses less digits than its factorization.

52530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752162.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52530142 is about 7247.7680702407. The cubic root of 52530142 is about 374.5152658389.

Adding to 52530142 its reverse (24103525), we get a palindrome (76633667).

The spelling of 52530142 in words is "fifty-two million, five hundred thirty thousand, one hundred forty-two".