50640458411 has 4 divisors (see below), whose sum is σ = 50685313800. Its totient is φ = 50595603024.

The previous prime is 50640458399. The next prime is 50640458413. The reversal of 50640458411 is 11485404605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50640458411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50640458413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22426001 + ... + 22428258.

It is an arithmetic number, because the mean of its divisors is an integer number (12671328450).

Almost surely, 2^50640458411 is an apocalyptic number.

50640458411 is a deficient number, since it is larger than the sum of its proper divisors (44855389).

50640458411 is a wasteful number, since it uses less digits than its factorization.

50640458411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44855388.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 50640458411 in words is "fifty billion, six hundred forty million, four hundred fifty-eight thousand, four hundred eleven".