50050005613 has 2 divisors, whose sum is σ = 50050005614. Its totient is φ = 50050005612.

The previous prime is 50050005589. The next prime is 50050005653. The reversal of 50050005613 is 31650005005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42750524644 + 7299480969 = 206762^2 + 85437^2 .

It is a cyclic number.

It is not a de Polignac number, because 50050005613 - 2²¹ = 50047908461 is a prime.

It is a super-2 number, since 2×50050005613² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50050005653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025002806 + 25025002807.

It is an arithmetic number, because the mean of its divisors is an integer number (25025002807).

Almost surely, 2^50050005613 is an apocalyptic number.

It is an amenable number.

50050005613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50050005613 is an equidigital number, since it uses as much as digits as its factorization.

50050005613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 50050005613 in words is "fifty billion, fifty million, five thousand, six hundred thirteen".