48657809 has 8 divisors (see below), whose sum is σ = 49723752. Its totient is φ = 47600640.

The previous prime is 48657799. The next prime is 48657827. The reversal of 48657809 is 90875684.

It can be written as a sum of positive squares in 4 ways, for example, as 313600 + 48344209 = 560^2 + 6953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48657809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48657839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (6215469).

Almost surely, 2^48657809 is an apocalyptic number.

It is an amenable number.

48657809 is a deficient number, since it is larger than the sum of its proper divisors (1065943).

48657809 is a wasteful number, since it uses less digits than its factorization.

48657809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 48657809 is about 6975.5149630690. The cubic root of 48657809 is about 365.0767562353.

The spelling of 48657809 in words is "forty-eight million, six hundred fifty-seven thousand, eight hundred nine".