50655732409 has 2 divisors, whose sum is σ = 50655732410. Its totient is φ = 50655732408.

The previous prime is 50655732383. The next prime is 50655732451. The reversal of 50655732409 is 90423755605.

50655732409 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 can be written as a sum of positive squares in only one way, i.e., 34730049600 + 15925682809 = 186360^2 + 126197^2 .

It is a cyclic number.

It is not a de Polignac number, because 50655732409 - 2¹⁵ = 50655699641 is a prime.

It is not a weakly prime, because it can be changed into another prime (50655732499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25327866204 + 25327866205.

It is an arithmetic number, because the mean of its divisors is an integer number (25327866205).

Almost surely, 2^50655732409 is an apocalyptic number.

It is an amenable number.

50655732409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50655732409 is an equidigital number, since it uses as much as digits as its factorization.

50655732409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 50655732409 in words is "fifty billion, six hundred fifty-five million, seven hundred thirty-two thousand, four hundred nine".