49440163 has 2 divisors, whose sum is σ = 49440164. Its totient is φ = 49440162.

The previous prime is 49440161. The next prime is 49440169. The reversal of 49440163 is 36104494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49440163 - 2¹ = 49440161 is a prime.

Together with 49440161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49440161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24720081 + 24720082.

It is an arithmetic number, because the mean of its divisors is an integer number (24720082).

Almost surely, 2^49440163 is an apocalyptic number.

49440163 is a deficient number, since it is larger than the sum of its proper divisors (1).

49440163 is an equidigital number, since it uses as much as digits as its factorization.

49440163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 49440163 is about 7031.3699234218. The cubic root of 49440163 is about 367.0230145417.

The spelling of 49440163 in words is "forty-nine million, four hundred forty thousand, one hundred sixty-three".