50490568667 has 48 divisors (see below), whose sum is σ = 68425269696. Its totient is φ = 36329779200.

The previous prime is 50490568649. The next prime is 50490568679. The reversal of 50490568667 is 76686509405.

It is a happy number.

It is not a de Polignac number, because 50490568667 - 2²² = 50486374363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50490568067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 730067 + ... + 796227.

It is an arithmetic number, because the mean of its divisors is an integer number (1425526452).

Almost surely, 2^50490568667 is an apocalyptic number.

50490568667 is a deficient number, since it is larger than the sum of its proper divisors (17934701029).

50490568667 is a wasteful number, since it uses less digits than its factorization.

50490568667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66260 (or 66249 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 50490568667 in words is "fifty billion, four hundred ninety million, five hundred sixty-eight thousand, six hundred sixty-seven".