50500000613 has 2 divisors, whose sum is σ = 50500000614. Its totient is φ = 50500000612.

The previous prime is 50500000609. The next prime is 50500000631. The reversal of 50500000613 is 31600000505.

Together with next prime (50500000631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40205463169 + 10294537444 = 200513^2 + 101462^2 .

It is a cyclic number.

It is not a de Polignac number, because 50500000613 - 2² = 50500000609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50500000633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250000306 + 25250000307.

It is an arithmetic number, because the mean of its divisors is an integer number (25250000307).

Almost surely, 2^50500000613 is an apocalyptic number.

It is an amenable number.

50500000613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50500000613 is an equidigital number, since it uses as much as digits as its factorization.

50500000613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The spelling of 50500000613 in words is "fifty billion, five hundred million, six hundred thirteen", and thus it is an aban number.