48257681 has 4 divisors (see below), whose sum is σ = 48275172. Its totient is φ = 48240192.

The previous prime is 48257647. The next prime is 48257683. The reversal of 48257681 is 18675284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 41075281 = 2680^2 + 6409^2 .

It is a cyclic number.

It is not a de Polignac number, because 48257681 - 2¹⁰ = 48256657 is a prime.

It is a super-2 number, since 2×48257681² = 4657607550995522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48257683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (12068793).

Almost surely, 2^48257681 is an apocalyptic number.

It is an amenable number.

48257681 is a deficient number, since it is larger than the sum of its proper divisors (17491).

48257681 is a wasteful number, since it uses less digits than its factorization.

48257681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490.

The product of its digits is 107520, while the sum is 41.

The square root of 48257681 is about 6946.7748632009. The cubic root of 48257681 is about 364.0732880850.

The spelling of 48257681 in words is "forty-eight million, two hundred fifty-seven thousand, six hundred eighty-one".