49548209 has 4 divisors (see below), whose sum is σ = 49707840. Its totient is φ = 49388580.

The previous prime is 49548197. The next prime is 49548229. The reversal of 49548209 is 90284594.

49548209 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.

It is a cyclic number.

It is not a de Polignac number, because 49548209 - 2⁴ = 49548193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49548229) 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, 79349 + ... + 79970.

It is an arithmetic number, because the mean of its divisors is an integer number (12426960).

Almost surely, 2^49548209 is an apocalyptic number.

It is an amenable number.

49548209 is a deficient number, since it is larger than the sum of its proper divisors (159631).

49548209 is a wasteful number, since it uses less digits than its factorization.

49548209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159630.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 49548209 is about 7039.0488704086. The cubic root of 49548209 is about 367.2901827290.

The spelling of 49548209 in words is "forty-nine million, five hundred forty-eight thousand, two hundred nine".