49664964 has 12 divisors (see below), whose sum is σ = 115884944. Its totient is φ = 16554984.

The previous prime is 49664963. The next prime is 49664977. The reversal of 49664964 is 46946694.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (49664963) 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, 2069362 + ... + 2069385.

Almost surely, 2^49664964 is an apocalyptic number.

It is an amenable number.

49664964 is an abundant number, since it is smaller than the sum of its proper divisors (66219980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49664964 is a wasteful number, since it uses less digits than its factorization.

49664964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138754 (or 4138752 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 49664964 is about 7047.3373695318. The cubic root of 49664964 is about 367.5784496320.

The spelling of 49664964 in words is "forty-nine million, six hundred sixty-four thousand, nine hundred sixty-four".