50500505543 has 4 divisors (see below), whose sum is σ = 50521401840. Its totient is φ = 50479609248.

The previous prime is 50500505537. The next prime is 50500505567. The reversal of 50500505543 is 34550500505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50500505543 - 2¹⁰ = 50500504519 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 (50500505443) 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 3 ways as a sum of consecutive naturals, for example, 10444523 + ... + 10449356.

It is an arithmetic number, because the mean of its divisors is an integer number (12630350460).

Almost surely, 2^50500505543 is an apocalyptic number.

50500505543 is a deficient number, since it is larger than the sum of its proper divisors (20896297).

50500505543 is a wasteful number, since it uses less digits than its factorization.

50500505543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896296.

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 50500505543 in words is "fifty billion, five hundred million, five hundred five thousand, five hundred forty-three".