50601551009 has 2 divisors, whose sum is σ = 50601551010. Its totient is φ = 50601551008.

The previous prime is 50601550949. The next prime is 50601551027. The reversal of 50601551009 is 90015510605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49797261409 + 804289600 = 223153^2 + 28360^2 .

It is a cyclic number.

It is not a de Polignac number, because 50601551009 - 2¹² = 50601546913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50601551809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300775504 + 25300775505.

It is an arithmetic number, because the mean of its divisors is an integer number (25300775505).

Almost surely, 2^50601551009 is an apocalyptic number.

It is an amenable number.

50601551009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50601551009 is an equidigital number, since it uses as much as digits as its factorization.

50601551009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 50601551009 in words is "fifty billion, six hundred one million, five hundred fifty-one thousand, nine".