52134430442 has 16 divisors (see below), whose sum is σ = 78537331080. Its totient is φ = 25955401728.

The previous prime is 52134430357. The next prime is 52134430459. The reversal of 52134430442 is 24403443125.

It can be written as a sum of positive squares in 4 ways, for example, as 38648021281 + 13486409161 = 196591^2 + 116131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52134430399 and 52134430408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357034 + ... + 1394922.

Almost surely, 2^52134430442 is an apocalyptic number.

52134430442 is a deficient number, since it is larger than the sum of its proper divisors (26402900638).

52134430442 is a wasteful number, since it uses less digits than its factorization.

52134430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40825.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 52134430442 its reverse (24403443125), we get a palindrome (76537873567).

The spelling of 52134430442 in words is "fifty-two billion, one hundred thirty-four million, four hundred thirty thousand, four hundred forty-two".