49685117 has 6 divisors (see below), whose sum is σ = 51065658. Its totient is φ = 48340944.

The previous prime is 49685113. The next prime is 49685147. The reversal of 49685117 is 71158694.

It can be written as a sum of positive squares in 3 ways, for example, as 11874916 + 37810201 = 3446^2 + 6149^2 .

It is not a de Polignac number, because 49685117 - 2² = 49685113 is a prime.

It is a super-2 number, since 2×49685117² = 4937221702607378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49685113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16778 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (8510943).

Almost surely, 2^49685117 is an apocalyptic number.

It is an amenable number.

49685117 is a deficient number, since it is larger than the sum of its proper divisors (1380541).

49685117 is an equidigital number, since it uses as much as digits as its factorization.

49685117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36367 (or 36330 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 49685117 is about 7048.7670553083. The cubic root of 49685117 is about 367.6281614486.

The spelling of 49685117 in words is "forty-nine million, six hundred eighty-five thousand, one hundred seventeen".