48507309 has 8 divisors (see below), whose sum is σ = 71862720. Its totient is φ = 32338188.

The previous prime is 48507301. The next prime is 48507313. The reversal of 48507309 is 90370584.

48507309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48507309 - 2³ = 48507301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48507301) 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, 898257 + ... + 898310.

It is an arithmetic number, because the mean of its divisors is an integer number (8982840).

Almost surely, 2^48507309 is an apocalyptic number.

It is an amenable number.

48507309 is a deficient number, since it is larger than the sum of its proper divisors (23355411).

48507309 is a wasteful number, since it uses less digits than its factorization.

48507309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796576 (or 1796570 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 48507309 is about 6964.7188744414. The cubic root of 48507309 is about 364.6999698685.

The spelling of 48507309 in words is "forty-eight million, five hundred seven thousand, three hundred nine".