49478417 has 2 divisors, whose sum is σ = 49478418. Its totient is φ = 49478416.

The previous prime is 49478399. The next prime is 49478441. The reversal of 49478417 is 71487494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33189121 + 16289296 = 5761^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 49478417 - 2⁶ = 49478353 is a prime.

It is a super-2 number, since 2×49478417² = 4896227497651778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49478467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739208 + 24739209.

It is an arithmetic number, because the mean of its divisors is an integer number (24739209).

Almost surely, 2^49478417 is an apocalyptic number.

It is an amenable number.

49478417 is a deficient number, since it is larger than the sum of its proper divisors (1).

49478417 is an equidigital number, since it uses as much as digits as its factorization.

49478417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 49478417 is about 7034.0896354823. The cubic root of 49478417 is about 367.1176506834.

The spelling of 49478417 in words is "forty-nine million, four hundred seventy-eight thousand, four hundred seventeen".