49859399 has 2 divisors, whose sum is σ = 49859400. Its totient is φ = 49859398.

The previous prime is 49859347. The next prime is 49859413. The reversal of 49859399 is 99395894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49859399 - 2²⁴ = 33082183 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49859309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24929699 + 24929700.

It is an arithmetic number, because the mean of its divisors is an integer number (24929700).

Almost surely, 2^49859399 is an apocalyptic number.

49859399 is a deficient number, since it is larger than the sum of its proper divisors (1).

49859399 is an equidigital number, since it uses as much as digits as its factorization.

49859399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 56.

The square root of 49859399 is about 7061.1188206969. The cubic root of 49859399 is about 368.0575066676.

The spelling of 49859399 in words is "forty-nine million, eight hundred fifty-nine thousand, three hundred ninety-nine".