50500000505509 has 4 divisors (see below), whose sum is σ = 50506353513900. Its totient is φ = 50493647497120.

The previous prime is 50500000505497. The next prime is 50500000505519. The reversal of 50500000505509 is 90550500000505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28697684708484 + 21802315797025 = 5357022^2 + 4669295^2 .

It is a cyclic number.

It is not a de Polignac number, because 50500000505509 - 2²⁷ = 50499866287781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500000505519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176492272 + ... + 3176508169.

It is an arithmetic number, because the mean of its divisors is an integer number (12626588378475).

Almost surely, 2^{50500000505509} is an apocalyptic number.

It is an amenable number.

50500000505509 is a deficient number, since it is larger than the sum of its proper divisors (6353008391).

50500000505509 is an equidigital number, since it uses as much as digits as its factorization.

50500000505509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353008390.

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 50500000505509 in words is "fifty trillion, five hundred billion, five hundred five thousand, five hundred nine".