48565009 has 2 divisors, whose sum is σ = 48565010. Its totient is φ = 48565008.

The previous prime is 48564977. The next prime is 48565019. The reversal of 48565009 is 90056584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33315984 + 15249025 = 5772^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 48565009 - 2⁵ = 48564977 is a prime.

It is not a weakly prime, because it can be changed into another prime (48565019) 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 as a sum of consecutive naturals, namely, 24282504 + 24282505.

It is an arithmetic number, because the mean of its divisors is an integer number (24282505).

Almost surely, 2^48565009 is an apocalyptic number.

It is an amenable number.

48565009 is a deficient number, since it is larger than the sum of its proper divisors (1).

48565009 is an equidigital number, since it uses as much as digits as its factorization.

48565009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 48565009 is about 6968.8599498053. The cubic root of 48565009 is about 364.8445175013.

The spelling of 48565009 in words is "forty-eight million, five hundred sixty-five thousand, nine".