49808617 has 2 divisors, whose sum is σ = 49808618. Its totient is φ = 49808616.

The previous prime is 49808609. The next prime is 49808659. The reversal of 49808617 is 71680894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28611801 + 21196816 = 5349^2 + 4604^2 .

It is a cyclic number.

It is not a de Polignac number, because 49808617 - 2³ = 49808609 is a prime.

It is a super-3 number, since 3×49808617³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (49808677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24904308 + 24904309.

It is an arithmetic number, because the mean of its divisors is an integer number (24904309).

Almost surely, 2^49808617 is an apocalyptic number.

It is an amenable number.

49808617 is a deficient number, since it is larger than the sum of its proper divisors (1).

49808617 is an equidigital number, since it uses as much as digits as its factorization.

49808617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 49808617 is about 7057.5220155519. The cubic root of 49808617 is about 367.9325082000.

The spelling of 49808617 in words is "forty-nine million, eight hundred eight thousand, six hundred seventeen".