49168159 has 2 divisors, whose sum is σ = 49168160. Its totient is φ = 49168158.

The previous prime is 49168109. The next prime is 49168187. The reversal of 49168159 is 95186194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49168159 - 2¹⁹ = 48643871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49168109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24584079 + 24584080.

It is an arithmetic number, because the mean of its divisors is an integer number (24584080).

Almost surely, 2^49168159 is an apocalyptic number.

49168159 is a deficient number, since it is larger than the sum of its proper divisors (1).

49168159 is an equidigital number, since it uses as much as digits as its factorization.

49168159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 43.

The square root of 49168159 is about 7012.0010695949. The cubic root of 49168159 is about 366.3486952272.

The spelling of 49168159 in words is "forty-nine million, one hundred sixty-eight thousand, one hundred fifty-nine".