49866889 has 2 divisors, whose sum is σ = 49866890. Its totient is φ = 49866888.

The previous prime is 49866881. The next prime is 49866913. The reversal of 49866889 is 98866894.

49866889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 11526025 = 6192^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 49866889 - 2³ = 49866881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49866881) 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, 24933444 + 24933445.

It is an arithmetic number, because the mean of its divisors is an integer number (24933445).

Almost surely, 2^49866889 is an apocalyptic number.

It is an amenable number.

49866889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49866889 is an equidigital number, since it uses as much as digits as its factorization.

49866889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 58.

The square root of 49866889 is about 7061.6491699886. The cubic root of 49866889 is about 368.0759359090.

The spelling of 49866889 in words is "forty-nine million, eight hundred sixty-six thousand, eight hundred eighty-nine".