48811809 has 8 divisors (see below), whose sum is σ = 65906560. Its totient is φ = 32129136.

The previous prime is 48811793. The next prime is 48811813. The reversal of 48811809 is 90811884.

It is a happy number.

48811809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 48811809 - 2⁴ = 48811793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48811109) 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, 102742 + ... + 103215.

It is an arithmetic number, because the mean of its divisors is an integer number (8238320).

Almost surely, 2^48811809 is an apocalyptic number.

It is an amenable number.

48811809 is a deficient number, since it is larger than the sum of its proper divisors (17094751).

48811809 is a wasteful number, since it uses less digits than its factorization.

48811809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206039.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 48811809 is about 6986.5448542180. The cubic root of 48811809 is about 365.4615016812.

The spelling of 48811809 in words is "forty-eight million, eight hundred eleven thousand, eight hundred nine".