53436430502 has 24 divisors (see below), whose sum is σ = 100413514656. Its totient is φ = 21139686288.

The previous prime is 53436430441. The next prime is 53436430507. The reversal of 53436430502 is 20503463435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53436430507) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20970638 + ... + 20973185.

It is an arithmetic number, because the mean of its divisors is an integer number (4183896444).

Almost surely, 2^53436430502 is an apocalyptic number.

53436430502 is a deficient number, since it is larger than the sum of its proper divisors (46977084154).

53436430502 is a wasteful number, since it uses less digits than its factorization.

53436430502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41943852 (or 41943845 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 53436430502 its reverse (20503463435), we get a palindrome (73939893937).

The spelling of 53436430502 in words is "fifty-three billion, four hundred thirty-six million, four hundred thirty thousand, five hundred two".