50040643 has 2 divisors, whose sum is σ = 50040644. Its totient is φ = 50040642.

The previous prime is 50040629. The next prime is 50040671. The reversal of 50040643 is 34604005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50040643 - 2⁵ = 50040611 is a prime.

It is not a weakly prime, because it can be changed into another prime (50040143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25020321 + 25020322.

It is an arithmetic number, because the mean of its divisors is an integer number (25020322).

Almost surely, 2^50040643 is an apocalyptic number.

50040643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50040643 is an equidigital number, since it uses as much as digits as its factorization.

50040643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 50040643 is about 7073.9411221751. The cubic root of 50040643 is about 368.5029428911.

Adding to 50040643 its reverse (34604005), we get a palindrome (84644648).

The spelling of 50040643 in words is "fifty million, forty thousand, six hundred forty-three".