49568641 has 4 divisors (see below), whose sum is σ = 50908372. Its totient is φ = 48228912.

The previous prime is 49568633. The next prime is 49568669. The reversal of 49568641 is 14686594.

49568641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39740416 + 9828225 = 6304^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 49568641 - 2³ = 49568633 is a prime.

It is the 7041-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49568671) by changing a digit.

It is a nontrivial repunit in base 7040.

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, 669810 + ... + 669883.

It is an arithmetic number, because the mean of its divisors is an integer number (12727093).

Almost surely, 2^49568641 is an apocalyptic number.

It is an amenable number.

49568641 is a deficient number, since it is larger than the sum of its proper divisors (1339731).

49568641 is a wasteful number, since it uses less digits than its factorization.

49568641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339730.

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

The square root of 49568641 is about 7040.5000532633. The cubic root of 49568641 is about 367.3406617935.

The spelling of 49568641 in words is "forty-nine million, five hundred sixty-eight thousand, six hundred forty-one".