53534020443 has 16 divisors (see below), whose sum is σ = 71489564160. Its totient is φ = 35633957184.

The previous prime is 53534020411. The next prime is 53534020447. The reversal of 53534020443 is 34402043535.

It is a happy number.

It is not a de Polignac number, because 53534020443 - 2⁵ = 53534020411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53534020447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6498255 + ... + 6506487.

It is an arithmetic number, because the mean of its divisors is an integer number (4468097760).

Almost surely, 2^53534020443 is an apocalyptic number.

53534020443 is a deficient number, since it is larger than the sum of its proper divisors (17955543717).

53534020443 is a wasteful number, since it uses less digits than its factorization.

53534020443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 53534020443 its reverse (34402043535), we get a palindrome (87936063978).

The spelling of 53534020443 in words is "fifty-three billion, five hundred thirty-four million, twenty thousand, four hundred forty-three".