50511612247 has 2 divisors, whose sum is σ = 50511612248. Its totient is φ = 50511612246.

The previous prime is 50511612227. The next prime is 50511612269. The reversal of 50511612247 is 74221611505.

50511612247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50511612247 - 2¹⁹ = 50511087959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50511612227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255806123 + 25255806124.

It is an arithmetic number, because the mean of its divisors is an integer number (25255806124).

Almost surely, 2^50511612247 is an apocalyptic number.

50511612247 is a deficient number, since it is larger than the sum of its proper divisors (1).

50511612247 is an equidigital number, since it uses as much as digits as its factorization.

50511612247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 50511612247 in words is "fifty billion, five hundred eleven million, six hundred twelve thousand, two hundred forty-seven".