49881659 has 2 divisors, whose sum is σ = 49881660. Its totient is φ = 49881658.

The previous prime is 49881647. The next prime is 49881673. The reversal of 49881659 is 95618894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49881659 - 2²⁴ = 33104443 is a prime.

It is not a weakly prime, because it can be changed into another prime (49881059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24940829 + 24940830.

It is an arithmetic number, because the mean of its divisors is an integer number (24940830).

Almost surely, 2^49881659 is an apocalyptic number.

49881659 is a deficient number, since it is larger than the sum of its proper divisors (1).

49881659 is an equidigital number, since it uses as much as digits as its factorization.

49881659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 49881659 is about 7062.6948822670. The cubic root of 49881659 is about 368.1122722772.

The spelling of 49881659 in words is "forty-nine million, eight hundred eighty-one thousand, six hundred fifty-nine".