48009985 has 4 divisors (see below), whose sum is σ = 57611988. Its totient is φ = 38407984.

The previous prime is 48009977. The next prime is 48010007. The reversal of 48009985 is 58990084.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20142144 + 27867841 = 4488^2 + 5279^2 .

It is a cyclic number.

It is not a de Polignac number, because 48009985 - 2³ = 48009977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4800994 + ... + 4801003.

It is an arithmetic number, because the mean of its divisors is an integer number (14402997).

Almost surely, 2^48009985 is an apocalyptic number.

It is an amenable number.

48009985 is a deficient number, since it is larger than the sum of its proper divisors (9602003).

48009985 is an equidigital number, since it uses as much as digits as its factorization.

48009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602002.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 48009985 is about 6928.9237981089. The cubic root of 48009985 is about 363.4493167486.

The spelling of 48009985 in words is "forty-eight million, nine thousand, nine hundred eighty-five".