49005609 has 8 divisors (see below), whose sum is σ = 66316320. Its totient is φ = 32182656.

The previous prime is 49005599. The next prime is 49005629. The reversal of 49005609 is 90650094.

It is a happy number.

49005609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49005609 - 2¹⁵ = 48972841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49005609.

It is not an unprimeable number, because it can be changed into a prime (49005629) 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 7 ways as a sum of consecutive naturals, for example, 121704 + ... + 122105.

It is an arithmetic number, because the mean of its divisors is an integer number (8289540).

Almost surely, 2^49005609 is an apocalyptic number.

It is an amenable number.

49005609 is a deficient number, since it is larger than the sum of its proper divisors (17310711).

49005609 is a wasteful number, since it uses less digits than its factorization.

49005609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243879.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 49005609 is about 7000.4006313925. The cubic root of 49005609 is about 365.9445330857.

The spelling of 49005609 in words is "forty-nine million, five thousand, six hundred nine".