48821317 has 4 divisors (see below), whose sum is σ = 51390880. Its totient is φ = 46251756.

The previous prime is 48821299. The next prime is 48821323. The reversal of 48821317 is 71312884.

It is a happy number.

48821317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48821317 - 2¹¹ = 48819269 is a prime.

It is a super-2 number, since 2×48821317² = 4767041987228978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48821327) 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 3 ways as a sum of consecutive naturals, for example, 1284753 + ... + 1284790.

It is an arithmetic number, because the mean of its divisors is an integer number (12847720).

Almost surely, 2^48821317 is an apocalyptic number.

It is an amenable number.

48821317 is a deficient number, since it is larger than the sum of its proper divisors (2569563).

48821317 is a wasteful number, since it uses less digits than its factorization.

48821317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569562.

The product of its digits is 10752, while the sum is 34.

The square root of 48821317 is about 6987.2252718801. The cubic root of 48821317 is about 365.4852294255.

The spelling of 48821317 in words is "forty-eight million, eight hundred twenty-one thousand, three hundred seventeen".