48719809 has 4 divisors (see below), whose sum is σ = 48833280. Its totient is φ = 48606340.

The previous prime is 48719791. The next prime is 48719821. The reversal of 48719809 is 90891784.

It is a happy number.

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 48719809 - 2¹¹ = 48717761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48719009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56089 + ... + 56950.

It is an arithmetic number, because the mean of its divisors is an integer number (12208320).

Almost surely, 2^48719809 is an apocalyptic number.

It is an amenable number.

48719809 is a deficient number, since it is larger than the sum of its proper divisors (113471).

48719809 is a wasteful number, since it uses less digits than its factorization.

48719809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113470.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 48719809 is about 6979.9576646281. The cubic root of 48719809 is about 365.2317512394.

The spelling of 48719809 in words is "forty-eight million, seven hundred nineteen thousand, eight hundred nine".