49805117 has 4 divisors (see below), whose sum is σ = 50168796. Its totient is φ = 49441440.

The previous prime is 49805113. The next prime is 49805131. The reversal of 49805117 is 71150894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34234201 + 15570916 = 5851^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 49805117 - 2² = 49805113 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 (49805113) 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, 181634 + ... + 181907.

It is an arithmetic number, because the mean of its divisors is an integer number (12542199).

Almost surely, 2^49805117 is an apocalyptic number.

It is an amenable number.

49805117 is a deficient number, since it is larger than the sum of its proper divisors (363679).

49805117 is a wasteful number, since it uses less digits than its factorization.

49805117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363678.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 49805117 is about 7057.2740488095. The cubic root of 49805117 is about 367.9238899192.

The spelling of 49805117 in words is "forty-nine million, eight hundred five thousand, one hundred seventeen".