49633809 has 16 divisors (see below), whose sum is σ = 68418240. Its totient is φ = 31988160.

The previous prime is 49633799. The next prime is 49633817. The reversal of 49633809 is 90833694.

49633809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49633809 - 2⁸ = 49633553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49633889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8499 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (4276140).

Almost surely, 2^49633809 is an apocalyptic number.

It is an amenable number.

49633809 is a deficient number, since it is larger than the sum of its proper divisors (18784431).

49633809 is a wasteful number, since it uses less digits than its factorization.

49633809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 49633809 is about 7045.1266134825. The cubic root of 49633809 is about 367.5015724862.

The spelling of 49633809 in words is "forty-nine million, six hundred thirty-three thousand, eight hundred nine".