48308509 has 12 divisors (see below), whose sum is σ = 52871292. Its totient is φ = 43985280.

The previous prime is 48308503. The next prime is 48308539. The reversal of 48308509 is 90580384.

It can be written as a sum of positive squares in 2 ways, for example, as 23088025 + 25220484 = 4805^2 + 5022^2 .

It is not a de Polignac number, because 48308509 - 2¹⁵ = 48275741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48308503) 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 11 ways as a sum of consecutive naturals, for example, 14859 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (4405941).

Almost surely, 2^48308509 is an apocalyptic number.

It is an amenable number.

48308509 is a deficient number, since it is larger than the sum of its proper divisors (4562783).

48308509 is a wasteful number, since it uses less digits than its factorization.

48308509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 48308509 is about 6950.4322887141. The cubic root of 48308509 is about 364.2010648008.

The spelling of 48308509 in words is "forty-eight million, three hundred eight thousand, five hundred nine".