49138756 has 6 divisors (see below), whose sum is σ = 85992830. Its totient is φ = 24569376.

The previous prime is 49138753. The next prime is 49138759. The reversal of 49138756 is 65783194.

49138756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49138753) and next prime (49138759).

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 2353156 = 6840^2 + 1534^2 .

It is not an unprimeable number, because it can be changed into a prime (49138753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142341 + ... + 6142348.

Almost surely, 2^49138756 is an apocalyptic number.

It is an amenable number.

49138756 is a deficient number, since it is larger than the sum of its proper divisors (36854074).

49138756 is a wasteful number, since it uses less digits than its factorization.

49138756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284693 (or 12284691 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 49138756 is about 7009.9041362917. The cubic root of 49138756 is about 366.2756540639.

It can be divided in two parts, 49138 and 756, that added together give a palindrome (49894).

The spelling of 49138756 in words is "forty-nine million, one hundred thirty-eight thousand, seven hundred fifty-six".