48381191 has 4 divisors (see below), whose sum is σ = 48594552. Its totient is φ = 48167832.

The previous prime is 48381187. The next prime is 48381197. The reversal of 48381191 is 19118384.

48381191 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.

It is a cyclic number.

It is not a de Polignac number, because 48381191 - 2² = 48381187 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 (48381197) 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, 106340 + ... + 106793.

It is an arithmetic number, because the mean of its divisors is an integer number (12148638).

Almost surely, 2^48381191 is an apocalyptic number.

48381191 is a deficient number, since it is larger than the sum of its proper divisors (213361).

48381191 is a wasteful number, since it uses less digits than its factorization.

48381191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213360.

The product of its digits is 6912, while the sum is 35.

The square root of 48381191 is about 6955.6589191823. The cubic root of 48381191 is about 364.3836247538.

The spelling of 48381191 in words is "forty-eight million, three hundred eighty-one thousand, one hundred ninety-one".