48257709 has 4 divisors (see below), whose sum is σ = 64343616. Its totient is φ = 32171804.

The previous prime is 48257707. The next prime is 48257723. The reversal of 48257709 is 90775284.

48257709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48257709 - 2¹ = 48257707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48257707) 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 3 ways as a sum of consecutive naturals, for example, 8042949 + ... + 8042954.

It is an arithmetic number, because the mean of its divisors is an integer number (16085904).

Almost surely, 2^48257709 is an apocalyptic number.

It is an amenable number.

48257709 is a deficient number, since it is larger than the sum of its proper divisors (16085907).

48257709 is a wasteful number, since it uses less digits than its factorization.

48257709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085906.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 48257709 is about 6946.7768785243. The cubic root of 48257709 is about 364.0733584990.

The spelling of 48257709 in words is "forty-eight million, two hundred fifty-seven thousand, seven hundred nine".