52542012 has 24 divisors (see below), whose sum is σ = 122726016. Its totient is φ = 17495728.

The previous prime is 52541963. The next prime is 52542013. The reversal of 52542012 is 21024525.

It is a happy number.

52542012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52542012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542013) by changing a digit.

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, 14803 + ... + 18005.

It is an arithmetic number, because the mean of its divisors is an integer number (5113584).

Almost surely, 2^52542012 is an apocalyptic number.

It is an amenable number.

52542012 is an abundant number, since it is smaller than the sum of its proper divisors (70184004).

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

52542012 is a wasteful number, since it uses less digits than its factorization.

52542012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52542012 is about 7248.5868967682. The cubic root of 52542012 is about 374.5434728913.

Adding to 52542012 its reverse (21024525), we get a palindrome (73566537).

The spelling of 52542012 in words is "fifty-two million, five hundred forty-two thousand, twelve".