50640215803 has 2 divisors, whose sum is σ = 50640215804. Its totient is φ = 50640215802.

The previous prime is 50640215783. The next prime is 50640215827. The reversal of 50640215803 is 30851204605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50640215803 - 2²⁹ = 50103344891 is a prime.

It is not a weakly prime, because it can be changed into another prime (50640215833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320107901 + 25320107902.

It is an arithmetic number, because the mean of its divisors is an integer number (25320107902).

Almost surely, 2^50640215803 is an apocalyptic number.

50640215803 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640215803 is an equidigital number, since it uses as much as digits as its factorization.

50640215803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 50640215803 in words is "fifty billion, six hundred forty million, two hundred fifteen thousand, eight hundred three".