48842981 has 6 divisors (see below), whose sum is σ = 53687046. Its totient is φ = 44402600.

The previous prime is 48842971. The next prime is 48842987. The reversal of 48842981 is 18924884.

It is a happy number.

48842981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44289025 + 4553956 = 6655^2 + 2134^2 .

It is not a de Polignac number, because 48842981 - 2¹⁴ = 48826597 is a prime.

It is a super-2 number, since 2×48842981² = 4771273585932722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48842987) 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 5 ways as a sum of consecutive naturals, for example, 201710 + ... + 201951.

It is an arithmetic number, because the mean of its divisors is an integer number (8947841).

Almost surely, 2^48842981 is an apocalyptic number.

It is an amenable number.

48842981 is a deficient number, since it is larger than the sum of its proper divisors (4844065).

48842981 is a wasteful number, since it uses less digits than its factorization.

48842981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403683 (or 403672 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 48842981 is about 6988.7753576718. The cubic root of 48842981 is about 365.5392816417.

The spelling of 48842981 in words is "forty-eight million, eight hundred forty-two thousand, nine hundred eighty-one".