48565391 has 4 divisors (see below), whose sum is σ = 55503312. Its totient is φ = 41627472.

The previous prime is 48565381. The next prime is 48565403. The reversal of 48565391 is 19356584.

48565391 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 48565391 - 2⁶ = 48565327 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 (48565381) 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, 3468950 + ... + 3468963.

It is an arithmetic number, because the mean of its divisors is an integer number (13875828).

Almost surely, 2^48565391 is an apocalyptic number.

48565391 is a deficient number, since it is larger than the sum of its proper divisors (6937921).

48565391 is an equidigital number, since it uses as much as digits as its factorization.

48565391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937920.

The product of its digits is 129600, while the sum is 41.

The square root of 48565391 is about 6968.8873573907. The cubic root of 48565391 is about 364.8454740902.

The spelling of 48565391 in words is "forty-eight million, five hundred sixty-five thousand, three hundred ninety-one".