49718563 has 8 divisors (see below), whose sum is σ = 50470416. Its totient is φ = 48972000.

The previous prime is 49718551. The next prime is 49718569. The reversal of 49718563 is 36581794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49718563 - 2⁹ = 49718051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49718569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20145 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (6308802).

Almost surely, 2^49718563 is an apocalyptic number.

49718563 is a deficient number, since it is larger than the sum of its proper divisors (751853).

49718563 is a wasteful number, since it uses less digits than its factorization.

49718563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its digits is 181440, while the sum is 43.

The square root of 49718563 is about 7051.1391278289. The cubic root of 49718563 is about 367.7106337212.

The spelling of 49718563 in words is "forty-nine million, seven hundred eighteen thousand, five hundred sixty-three".