50126563 has 4 divisors (see below), whose sum is σ = 50142568. Its totient is φ = 50110560.

The previous prime is 50126561. The next prime is 50126621. The reversal of 50126563 is 36562105.

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 50126563 - 2¹ = 50126561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50126561) 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, 1593 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (12535642).

Almost surely, 2^50126563 is an apocalyptic number.

50126563 is a deficient number, since it is larger than the sum of its proper divisors (16005).

50126563 is a wasteful number, since it uses less digits than its factorization.

50126563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50126563 is about 7080.0115112901. The cubic root of 50126563 is about 368.7137293445.

Adding to 50126563 its reverse (36562105), we get a palindrome (86688668).

The spelling of 50126563 in words is "fifty million, one hundred twenty-six thousand, five hundred sixty-three".