48156809 has 2 divisors, whose sum is σ = 48156810. Its totient is φ = 48156808.

The previous prime is 48156793. The next prime is 48156821. The reversal of 48156809 is 90865184.

48156809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30558784 + 17598025 = 5528^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 48156809 - 2⁴ = 48156793 is a prime.

It is not a weakly prime, because it can be changed into another prime (48156839) 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 as a sum of consecutive naturals, namely, 24078404 + 24078405.

It is an arithmetic number, because the mean of its divisors is an integer number (24078405).

Almost surely, 2^48156809 is an apocalyptic number.

It is an amenable number.

48156809 is a deficient number, since it is larger than the sum of its proper divisors (1).

48156809 is an equidigital number, since it uses as much as digits as its factorization.

48156809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 48156809 is about 6939.5107176227. The cubic root of 48156809 is about 363.8194395917.

The spelling of 48156809 in words is "forty-eight million, one hundred fifty-six thousand, eight hundred nine".