48979009 has 8 divisors (see below), whose sum is σ = 50460200. Its totient is φ = 47506176.

The previous prime is 48978997. The next prime is 48979019. The reversal of 48979009 is 90097984.

48979009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14227984 + 34751025 = 3772^2 + 5895^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 48979009 - 2⁹ = 48978497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48979009.

It is not an unprimeable number, because it can be changed into a prime (48979019) 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, 11017 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (6307525).

Almost surely, 2^48979009 is an apocalyptic number.

It is an amenable number.

48979009 is a deficient number, since it is larger than the sum of its proper divisors (1481191).

48979009 is a wasteful number, since it uses less digits than its factorization.

48979009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 48979009 is about 6998.5004822462. The cubic root of 48979009 is about 365.8783101470.

The spelling of 48979009 in words is "forty-eight million, nine hundred seventy-nine thousand, nine".