48438881 has 2 divisors, whose sum is σ = 48438882. Its totient is φ = 48438880.

The previous prime is 48438869. The next prime is 48438889. The reversal of 48438881 is 18883484.

48438881 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., 36300625 + 12138256 = 6025^2 + 3484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48438881 is a prime.

It is a super-2 number, since 2×48438881² = 4692650385064322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48438889) 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, 24219440 + 24219441.

It is an arithmetic number, because the mean of its divisors is an integer number (24219441).

Almost surely, 2^48438881 is an apocalyptic number.

It is an amenable number.

48438881 is a deficient number, since it is larger than the sum of its proper divisors (1).

48438881 is an equidigital number, since it uses as much as digits as its factorization.

48438881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 44.

The square root of 48438881 is about 6959.8046667992. The cubic root of 48438881 is about 364.5283982433.

The spelling of 48438881 in words is "forty-eight million, four hundred thirty-eight thousand, eight hundred eighty-one".