48731217 has 4 divisors (see below), whose sum is σ = 64974960. Its totient is φ = 32487476.

The previous prime is 48731203. The next prime is 48731239. The reversal of 48731217 is 71213784.

It is a happy number.

48731217 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 48731217 - 2⁶ = 48731153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48731017) 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, 8121867 + ... + 8121872.

It is an arithmetic number, because the mean of its divisors is an integer number (16243740).

Almost surely, 2^48731217 is an apocalyptic number.

It is an amenable number.

48731217 is a deficient number, since it is larger than the sum of its proper divisors (16243743).

48731217 is a wasteful number, since it uses less digits than its factorization.

48731217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16243742.

The product of its digits is 9408, while the sum is 33.

The square root of 48731217 is about 6980.7748137295. The cubic root of 48731217 is about 365.2602559943.

The spelling of 48731217 in words is "forty-eight million, seven hundred thirty-one thousand, two hundred seventeen".