49923859 has 2 divisors, whose sum is σ = 49923860. Its totient is φ = 49923858.

The previous prime is 49923847. The next prime is 49923943. The reversal of 49923859 is 95832994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49923859 - 2¹³ = 49915667 is a prime.

It is not a weakly prime, because it can be changed into another prime (49923829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24961929 + 24961930.

It is an arithmetic number, because the mean of its divisors is an integer number (24961930).

Almost surely, 2^49923859 is an apocalyptic number.

49923859 is a deficient number, since it is larger than the sum of its proper divisors (1).

49923859 is an equidigital number, since it uses as much as digits as its factorization.

49923859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 49923859 is about 7065.6817788519. The cubic root of 49923859 is about 368.2160509643.

The spelling of 49923859 in words is "forty-nine million, nine hundred twenty-three thousand, eight hundred fifty-nine".