49937689 has 2 divisors, whose sum is σ = 49937690. Its totient is φ = 49937688.

The previous prime is 49937627. The next prime is 49937707. The reversal of 49937689 is 98673994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 2534464 = 6885^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 49937689 - 2⁷ = 49937561 is a prime.

It is not a weakly prime, because it can be changed into another prime (49937089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24968844 + 24968845.

It is an arithmetic number, because the mean of its divisors is an integer number (24968845).

Almost surely, 2^49937689 is an apocalyptic number.

It is an amenable number.

49937689 is a deficient number, since it is larger than the sum of its proper divisors (1).

49937689 is an equidigital number, since it uses as much as digits as its factorization.

49937689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 49937689 is about 7066.6603852173. The cubic root of 49937689 is about 368.2500491229.

The spelling of 49937689 in words is "forty-nine million, nine hundred thirty-seven thousand, six hundred eighty-nine".