48438889 has 2 divisors, whose sum is σ = 48438890. Its totient is φ = 48438888.

The previous prime is 48438881. The next prime is 48438911. The reversal of 48438889 is 98883484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32398864 + 16040025 = 5692^2 + 4005^2 .

It is a cyclic number.

It is not a de Polignac number, because 48438889 - 2³ = 48438881 is a prime.

It is not a weakly prime, because it can be changed into another prime (48438881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24219444 + 24219445.

It is an arithmetic number, because the mean of its divisors is an integer number (24219445).

Almost surely, 2^48438889 is an apocalyptic number.

It is an amenable number.

48438889 is a deficient number, since it is larger than the sum of its proper divisors (1).

48438889 is an equidigital number, since it uses as much as digits as its factorization.

48438889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 52.

The square root of 48438889 is about 6959.8052415280. The cubic root of 48438889 is about 364.5284183114.

The spelling of 48438889 in words is "forty-eight million, four hundred thirty-eight thousand, eight hundred eighty-nine".