49718287 has 2 divisors, whose sum is σ = 49718288. Its totient is φ = 49718286.

The previous prime is 49718261. The next prime is 49718303. The reversal of 49718287 is 78281794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49718287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49718237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24859143 + 24859144.

It is an arithmetic number, because the mean of its divisors is an integer number (24859144).

Almost surely, 2^49718287 is an apocalyptic number.

49718287 is a deficient number, since it is larger than the sum of its proper divisors (1).

49718287 is an equidigital number, since it uses as much as digits as its factorization.

49718287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 49718287 is about 7051.1195564960. The cubic root of 49718287 is about 367.7099533025.

It can be divided in two parts, 49718 and 287, that added together give a palindrome (50005).

The spelling of 49718287 in words is "forty-nine million, seven hundred eighteen thousand, two hundred eighty-seven".