49806664 has 16 divisors (see below), whose sum is σ = 93639600. Its totient is φ = 24836112.

The previous prime is 49806649. The next prime is 49806667. The reversal of 49806664 is 46660894.

It is a self number, because there is not a number n which added to its sum of digits gives 49806664.

It is not an unprimeable number, because it can be changed into a prime (49806667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5182 + ... + 11245.

It is an arithmetic number, because the mean of its divisors is an integer number (5852475).

Almost surely, 2^49806664 is an apocalyptic number.

It is an amenable number.

49806664 is a deficient number, since it is larger than the sum of its proper divisors (43832936).

49806664 is a wasteful number, since it uses less digits than its factorization.

49806664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812 (or 16808 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 49806664 is about 7057.3836511841. The cubic root of 49806664 is about 367.9276992491.

The spelling of 49806664 in words is "forty-nine million, eight hundred six thousand, six hundred sixty-four".