49713817 has 4 divisors (see below), whose sum is σ = 49783680. Its totient is φ = 49643956.

The previous prime is 49713791. The next prime is 49713821. The reversal of 49713817 is 71831794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71831794 = 2 ⋅35915897.

It is a cyclic number.

It is not a de Polignac number, because 49713817 - 2¹¹ = 49711769 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49713817.

It is not an unprimeable number, because it can be changed into a prime (49713857) 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, 33853 + ... + 35290.

It is an arithmetic number, because the mean of its divisors is an integer number (12445920).

Almost surely, 2^49713817 is an apocalyptic number.

It is an amenable number.

49713817 is a deficient number, since it is larger than the sum of its proper divisors (69863).

49713817 is an equidigital number, since it uses as much as digits as its factorization.

49713817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69862.

The product of its digits is 42336, while the sum is 40.

The square root of 49713817 is about 7050.8025784303. The cubic root of 49713817 is about 367.6989331269.

The spelling of 49713817 in words is "forty-nine million, seven hundred thirteen thousand, eight hundred seventeen".