49875138 has 12 divisors (see below), whose sum is σ = 108062838. Its totient is φ = 16625040.

The previous prime is 49875101. The next prime is 49875139. The reversal of 49875138 is 83157894.

It can be written as a sum of positive squares in only one way, i.e., 37785609 + 12089529 = 6147^2 + 3477^2 .

It is a super-3 number, since 3×49875138³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49875093 and 49875102.

It is not an unprimeable number, because it can be changed into a prime (49875139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385403 + ... + 1385438.

Almost surely, 2^49875138 is an apocalyptic number.

49875138 is an abundant number, since it is smaller than the sum of its proper divisors (58187700).

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

49875138 is a wasteful number, since it uses less digits than its factorization.

49875138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770849 (or 2770846 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 49875138 is about 7062.2332162001. The cubic root of 49875138 is about 368.0962305444.

The spelling of 49875138 in words is "forty-nine million, eight hundred seventy-five thousand, one hundred thirty-eight".