49668424 has 48 divisors (see below), whose sum is σ = 106824420. Its totient is φ = 21565440.

The previous prime is 49668419. The next prime is 49668427. The reversal of 49668424 is 42486694.

49668424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16144324 + 33524100 = 4018^2 + 5790^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49668427) 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 11 ways as a sum of consecutive naturals, for example, 21904 + ... + 24064.

Almost surely, 2^49668424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49668424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53412210).

49668424 is an abundant number, since it is smaller than the sum of its proper divisors (57155996).

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

49668424 is a wasteful number, since it uses less digits than its factorization.

49668424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2193 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 49668424 is about 7047.5828480409. The cubic root of 49668424 is about 367.5869854408.

The spelling of 49668424 in words is "forty-nine million, six hundred sixty-eight thousand, four hundred twenty-four".