49479664 has 20 divisors (see below), whose sum is σ = 103241656. Its totient is φ = 22836672.

The previous prime is 49479653. The next prime is 49479719. The reversal of 49479664 is 46697494.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118734 + ... + 119149.

Almost surely, 2^49479664 is an apocalyptic number.

It is an amenable number.

49479664 is an abundant number, since it is smaller than the sum of its proper divisors (53761992).

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

49479664 is a wasteful number, since it uses less digits than its factorization.

49479664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237904 (or 237898 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 49479664 is about 7034.1782746814. The cubic root of 49479664 is about 367.1207348016.

The spelling of 49479664 in words is "forty-nine million, four hundred seventy-nine thousand, six hundred sixty-four".