48009881 has 2 divisors, whose sum is σ = 48009882. Its totient is φ = 48009880.

The previous prime is 48009833. The next prime is 48009911. The reversal of 48009881 is 18890084.

48009881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 4910656 = 6565^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 48009881 - 2¹⁴ = 47993497 is a prime.

It is a super-2 number, since 2×48009881² = 4609897347268322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48009821) 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 as a sum of consecutive naturals, namely, 24004940 + 24004941.

It is an arithmetic number, because the mean of its divisors is an integer number (24004941).

Almost surely, 2^48009881 is an apocalyptic number.

It is an amenable number.

48009881 is a deficient number, since it is larger than the sum of its proper divisors (1).

48009881 is an equidigital number, since it uses as much as digits as its factorization.

48009881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 48009881 is about 6928.9162933319. The cubic root of 48009881 is about 363.4490543118.

The spelling of 48009881 in words is "forty-eight million, nine thousand, eight hundred eighty-one".