48999909 has 8 divisors (see below), whose sum is σ = 74666560. Its totient is φ = 27999936.

The previous prime is 48999893. The next prime is 48999983. The reversal of 48999909 is 90999984.

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

It is not a de Polignac number, because 48999909 - 2⁴ = 48999893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48999989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166644 + ... + 1166685.

It is an arithmetic number, because the mean of its divisors is an integer number (9333320).

Almost surely, 2^48999909 is an apocalyptic number.

It is an amenable number.

48999909 is a deficient number, since it is larger than the sum of its proper divisors (25666651).

48999909 is a wasteful number, since it uses less digits than its factorization.

48999909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333339.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 48999909 is about 6999.9934999970. The cubic root of 48999909 is about 365.9303444737.

The spelling of 48999909 in words is "forty-eight million, nine hundred ninety-nine thousand, nine hundred nine".