50006543 has 4 divisors (see below), whose sum is σ = 51070560. Its totient is φ = 48942528.

The previous prime is 50006513. The next prime is 50006563. The reversal of 50006543 is 34560005.

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 50006543 - 2²⁰ = 48957967 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 (50006513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531938 + ... + 532031.

It is an arithmetic number, because the mean of its divisors is an integer number (12767640).

Almost surely, 2^50006543 is an apocalyptic number.

50006543 is a deficient number, since it is larger than the sum of its proper divisors (1064017).

50006543 is a wasteful number, since it uses less digits than its factorization.

50006543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064016.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50006543 is about 7071.5304566975. The cubic root of 50006543 is about 368.4192189085.

Adding to 50006543 its reverse (34560005), we get a palindrome (84566548).

The spelling of 50006543 in words is "fifty million, six thousand, five hundred forty-three".