53443425503 has 48 divisors (see below), whose sum is σ = 60762441600. Its totient is φ = 46943170560.

The previous prime is 53443425493. The next prime is 53443425599. The reversal of 53443425503 is 30552434435.

It is not a de Polignac number, because 53443425503 - 2¹⁰ = 53443424479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53443425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48717251 + ... + 48718347.

It is an arithmetic number, because the mean of its divisors is an integer number (1265884200).

Almost surely, 2^53443425503 is an apocalyptic number.

53443425503 is a deficient number, since it is larger than the sum of its proper divisors (7319016097).

53443425503 is a wasteful number, since it uses less digits than its factorization.

53443425503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 53443425503 its reverse (30552434435), we get a palindrome (83995859938).

The spelling of 53443425503 in words is "fifty-three billion, four hundred forty-three million, four hundred twenty-five thousand, five hundred three".