50503355009 has 2 divisors, whose sum is σ = 50503355010. Its totient is φ = 50503355008.

The previous prime is 50503354997. The next prime is 50503355039. The reversal of 50503355009 is 90055330505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30630250225 + 19873104784 = 175015^2 + 140972^2 .

It is a cyclic number.

It is not a de Polignac number, because 50503355009 - 2¹² = 50503350913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50503355009.

It is not a weakly prime, because it can be changed into another prime (50503355039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251677504 + 25251677505.

It is an arithmetic number, because the mean of its divisors is an integer number (25251677505).

Almost surely, 2^50503355009 is an apocalyptic number.

It is an amenable number.

50503355009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50503355009 is an equidigital number, since it uses as much as digits as its factorization.

50503355009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50625, while the sum is 35.

The spelling of 50503355009 in words is "fifty billion, five hundred three million, three hundred fifty-five thousand, nine".