48681917 has 4 divisors (see below), whose sum is σ = 48761436. Its totient is φ = 48602400.

The previous prime is 48681901. The next prime is 48681929. The reversal of 48681917 is 71918684.

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 7027801 + 41654116 = 2651^2 + 6454^2 .

It is a cyclic number.

It is not a de Polignac number, because 48681917 - 2⁴ = 48681901 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 (48681937) 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 3 ways as a sum of consecutive naturals, for example, 38834 + ... + 40067.

It is an arithmetic number, because the mean of its divisors is an integer number (12190359).

Almost surely, 2^48681917 is an apocalyptic number.

It is an amenable number.

48681917 is a deficient number, since it is larger than the sum of its proper divisors (79519).

48681917 is an equidigital number, since it uses as much as digits as its factorization.

48681917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79518.

The product of its digits is 96768, while the sum is 44.

The square root of 48681917 is about 6977.2427935396. The cubic root of 48681917 is about 365.1370399284.

The spelling of 48681917 in words is "forty-eight million, six hundred eighty-one thousand, nine hundred seventeen".