49116138 has 16 divisors (see below), whose sum is σ = 98836896. Its totient is φ = 16271280.

The previous prime is 49116127. The next prime is 49116139. The reversal of 49116138 is 83161194.

It is a junction number, because it is equal to n+sod(n) for n = 49116099 and 49116108.

It is not an unprimeable number, because it can be changed into a prime (49116139) 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 7 ways as a sum of consecutive naturals, for example, 24133 + ... + 26088.

It is an arithmetic number, because the mean of its divisors is an integer number (6177306).

Almost surely, 2^49116138 is an apocalyptic number.

49116138 is an abundant number, since it is smaller than the sum of its proper divisors (49720758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49116138 is a wasteful number, since it uses less digits than its factorization.

49116138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50389.

The product of its digits is 5184, while the sum is 33.

The square root of 49116138 is about 7008.2906617805. The cubic root of 49116138 is about 366.2194479595.

The spelling of 49116138 in words is "forty-nine million, one hundred sixteen thousand, one hundred thirty-eight".