49549979 has 2 divisors, whose sum is σ = 49549980. Its totient is φ = 49549978.

The previous prime is 49549963. The next prime is 49549987. The reversal of 49549979 is 97994594.

49549979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49549979 - 2⁴ = 49549963 is a prime.

It is not a weakly prime, because it can be changed into another prime (49549909) 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, 24774989 + 24774990.

It is an arithmetic number, because the mean of its divisors is an integer number (24774990).

Almost surely, 2^49549979 is an apocalyptic number.

49549979 is a deficient number, since it is larger than the sum of its proper divisors (1).

49549979 is an equidigital number, since it uses as much as digits as its factorization.

49549979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 56.

The square root of 49549979 is about 7039.1745964992. The cubic root of 49549979 is about 367.2945562196.

The spelling of 49549979 in words is "forty-nine million, five hundred forty-nine thousand, nine hundred seventy-nine".