49169983 has 2 divisors, whose sum is σ = 49169984. Its totient is φ = 49169982.

The previous prime is 49169971. The next prime is 49170049. The reversal of 49169983 is 38996194.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49169983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49169903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24584991 + 24584992.

It is an arithmetic number, because the mean of its divisors is an integer number (24584992).

Almost surely, 2^49169983 is an apocalyptic number.

49169983 is a deficient number, since it is larger than the sum of its proper divisors (1).

49169983 is an equidigital number, since it uses as much as digits as its factorization.

49169983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 49169983 is about 7012.1311311184. The cubic root of 49169983 is about 366.3532253389.

The spelling of 49169983 in words is "forty-nine million, one hundred sixty-nine thousand, nine hundred eighty-three".