49679449 has 4 divisors (see below), whose sum is σ = 49863040. Its totient is φ = 49495860.

The previous prime is 49679447. The next prime is 49679477. The reversal of 49679449 is 94497694.

It is a happy number.

49679449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94497694 = 2 ⋅47248847.

It is a cyclic number.

It is not a de Polignac number, because 49679449 - 2¹ = 49679447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49679396 and 49679405.

It is not an unprimeable number, because it can be changed into a prime (49679447) 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 in 3 ways as a sum of consecutive naturals, for example, 91389 + ... + 91930.

It is an arithmetic number, because the mean of its divisors is an integer number (12465760).

Almost surely, 2^49679449 is an apocalyptic number.

It is an amenable number.

49679449 is a deficient number, since it is larger than the sum of its proper divisors (183591).

49679449 is a wasteful number, since it uses less digits than its factorization.

49679449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183590.

The product of its digits is 1959552, while the sum is 52.

The square root of 49679449 is about 7048.3649877117. The cubic root of 49679449 is about 367.6141814362.

The spelling of 49679449 in words is "forty-nine million, six hundred seventy-nine thousand, four hundred forty-nine".