49768149 has 4 divisors (see below), whose sum is σ = 66357536. Its totient is φ = 33178764.

The previous prime is 49768141. The next prime is 49768153. The reversal of 49768149 is 94186794.

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.

It is not a de Polignac number, because 49768149 - 2³ = 49768141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49768098 and 49768107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49768141) 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, 8294689 + ... + 8294694.

It is an arithmetic number, because the mean of its divisors is an integer number (16589384).

Almost surely, 2^49768149 is an apocalyptic number.

It is an amenable number.

49768149 is a deficient number, since it is larger than the sum of its proper divisors (16589387).

49768149 is a wasteful number, since it uses less digits than its factorization.

49768149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16589386.

The product of its digits is 435456, while the sum is 48.

The square root of 49768149 is about 7054.6544210188. The cubic root of 49768149 is about 367.8328365108.

The spelling of 49768149 in words is "forty-nine million, seven hundred sixty-eight thousand, one hundred forty-nine".