52530042 has 16 divisors (see below), whose sum is σ = 105462720. Its totient is φ = 17442912.

The previous prime is 52530019. The next prime is 52530053. The reversal of 52530042 is 24003525.

52530042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15067 + ... + 18222.

It is an arithmetic number, because the mean of its divisors is an integer number (6591420).

Almost surely, 2^52530042 is an apocalyptic number.

52530042 is an abundant number, since it is smaller than the sum of its proper divisors (52932678).

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

52530042 is a wasteful number, since it uses less digits than its factorization.

52530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33557.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52530042 is about 7247.7611715619. The cubic root of 52530042 is about 374.5150281877.

Adding to 52530042 its reverse (24003525), we get a palindrome (76533567).

The spelling of 52530042 in words is "fifty-two million, five hundred thirty thousand, forty-two".