52143522 has 16 divisors (see below), whose sum is σ = 110421792. Its totient is φ = 16358720.

The previous prime is 52143521. The next prime is 52143527. The reversal of 52143522 is 22534125.

52143522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52143492 and 52143501.

It is not an unprimeable number, because it can be changed into a prime (52143521) 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, 255504 + ... + 255707.

It is an arithmetic number, because the mean of its divisors is an integer number (6901362).

Almost surely, 2^52143522 is an apocalyptic number.

52143522 is an abundant number, since it is smaller than the sum of its proper divisors (58278270).

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

52143522 is a wasteful number, since it uses less digits than its factorization.

52143522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511233.

The product of its digits is 2400, while the sum is 24.

The square root of 52143522 is about 7221.0471539798. The cubic root of 52143522 is about 373.5941960484.

Adding to 52143522 its reverse (22534125), we get a palindrome (74677647).

The spelling of 52143522 in words is "fifty-two million, one hundred forty-three thousand, five hundred twenty-two".