49644636 has 24 divisors (see below), whose sum is σ = 119832720. Its totient is φ = 15977472.

The previous prime is 49644589. The next prime is 49644659. The reversal of 49644636 is 63644694.

49644636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 70981 + ... + 71676.

It is an arithmetic number, because the mean of its divisors is an integer number (4993030).

Almost surely, 2^49644636 is an apocalyptic number.

It is an amenable number.

49644636 is an abundant number, since it is smaller than the sum of its proper divisors (70188084).

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

49644636 is a wasteful number, since it uses less digits than its factorization.

49644636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142693 (or 142691 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

The square root of 49644636 is about 7045.8949750901. The cubic root of 49644636 is about 367.5282925138.

The spelling of 49644636 in words is "forty-nine million, six hundred forty-four thousand, six hundred thirty-six".