49405117 has 4 divisors (see below), whose sum is σ = 49420000. Its totient is φ = 49390236.

The previous prime is 49405093. The next prime is 49405129. The reversal of 49405117 is 71150494.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71150494 = 2 ⋅35575247.

It is a cyclic number.

It is not a de Polignac number, because 49405117 - 2²³ = 41016509 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 (49405157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (12355000).

Almost surely, 2^49405117 is an apocalyptic number.

It is an amenable number.

49405117 is a deficient number, since it is larger than the sum of its proper divisors (14883).

49405117 is an equidigital number, since it uses as much as digits as its factorization.

49405117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14882.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 49405117 is about 7028.8773641315. The cubic root of 49405117 is about 366.9362717786.

The spelling of 49405117 in words is "forty-nine million, four hundred five thousand, one hundred seventeen".