48239581 has 8 divisors (see below), whose sum is σ = 52097024. Its totient is φ = 44403120.

The previous prime is 48239573. The next prime is 48239603. The reversal of 48239581 is 18593284.

48239581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48239581 - 2³ = 48239573 is a prime.

It is a super-2 number, since 2×48239581² = 4654114350111122, 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 (48239881) 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 7 ways as a sum of consecutive naturals, for example, 285 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (6512128).

Almost surely, 2^48239581 is an apocalyptic number.

It is an amenable number.

48239581 is a deficient number, since it is larger than the sum of its proper divisors (3857443).

48239581 is a wasteful number, since it uses less digits than its factorization.

48239581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its digits is 69120, while the sum is 40.

The square root of 48239581 is about 6945.4719782028. The cubic root of 48239581 is about 364.0277647581.

The spelling of 48239581 in words is "forty-eight million, two hundred thirty-nine thousand, five hundred eighty-one".