49661584 has 20 divisors (see below), whose sum is σ = 109965184. Its totient is φ = 21283488.

The previous prime is 49661561. The next prime is 49661587. The reversal of 49661584 is 48516694.

49661584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49661584.

It is not an unprimeable number, because it can be changed into a prime (49661587) 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 3 ways as a sum of consecutive naturals, for example, 221592 + ... + 221815.

Almost surely, 2^49661584 is an apocalyptic number.

It is an amenable number.

49661584 is an abundant number, since it is smaller than the sum of its proper divisors (60303600).

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

49661584 is a wasteful number, since it uses less digits than its factorization.

49661584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443422 (or 443416 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 49661584 is about 7047.0975585698. The cubic root of 49661584 is about 367.5701108002.

The spelling of 49661584 in words is "forty-nine million, six hundred sixty-one thousand, five hundred eighty-four".