49635899 has 4 divisors (see below), whose sum is σ = 49713264. Its totient is φ = 49558536.

The previous prime is 49635893. The next prime is 49635913. The reversal of 49635899 is 99853694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99853694 = 2 ⋅49926847.

It is a cyclic number.

It is not a de Polignac number, because 49635899 - 2⁸ = 49635643 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 49635899.

It is not an unprimeable number, because it can be changed into a prime (49635893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37712 + ... + 39005.

It is an arithmetic number, because the mean of its divisors is an integer number (12428316).

Almost surely, 2^49635899 is an apocalyptic number.

49635899 is a deficient number, since it is larger than the sum of its proper divisors (77365).

49635899 is an equidigital number, since it uses as much as digits as its factorization.

49635899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77364.

The product of its digits is 2099520, while the sum is 53.

The square root of 49635899 is about 7045.2749414058. The cubic root of 49635899 is about 367.5067307142.

The spelling of 49635899 in words is "forty-nine million, six hundred thirty-five thousand, eight hundred ninety-nine".