48863581 has 16 divisors (see below), whose sum is σ = 53751600. Its totient is φ = 44149248.

The previous prime is 48863567. The next prime is 48863587. The reversal of 48863581 is 18536884.

It can be written as a sum of positive squares in 8 ways, for example, as 21771556 + 27092025 = 4666^2 + 5205^2 .

It is not a de Polignac number, because 48863581 - 2⁹ = 48863069 is a prime.

It is a super-2 number, since 2×48863581² = 4775299096287122, 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 (48863587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181515 + ... + 181783.

It is an arithmetic number, because the mean of its divisors is an integer number (3359475).

Almost surely, 2^48863581 is an apocalyptic number.

It is an amenable number.

48863581 is a deficient number, since it is larger than the sum of its proper divisors (4888019).

48863581 is a wasteful number, since it uses less digits than its factorization.

48863581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 184320, while the sum is 43.

The square root of 48863581 is about 6990.2489941346. The cubic root of 48863581 is about 365.5906643287.

The spelling of 48863581 in words is "forty-eight million, eight hundred sixty-three thousand, five hundred eighty-one".