48500009 has 4 divisors (see below), whose sum is σ = 48518400. Its totient is φ = 48481620.

The previous prime is 48500003. The next prime is 48500017. The reversal of 48500009 is 90000584.

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 48500009 - 2⁴ = 48499993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48500003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (12129600).

Almost surely, 2^48500009 is an apocalyptic number.

It is an amenable number.

48500009 is a deficient number, since it is larger than the sum of its proper divisors (18391).

48500009 is a wasteful number, since it uses less digits than its factorization.

48500009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 48500009 is about 6964.1947847544. The cubic root of 48500009 is about 364.6816740461.

The spelling of 48500009 in words is "forty-eight million, five hundred thousand, nine".