50565617051 has 2 divisors, whose sum is σ = 50565617052. Its totient is φ = 50565617050.

The previous prime is 50565617017. The next prime is 50565617057. The reversal of 50565617051 is 15071656505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50565617051 - 2¹⁸ = 50565354907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (50565617057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25282808525 + 25282808526.

It is an arithmetic number, because the mean of its divisors is an integer number (25282808526).

Almost surely, 2^50565617051 is an apocalyptic number.

50565617051 is a deficient number, since it is larger than the sum of its proper divisors (1).

50565617051 is an equidigital number, since it uses as much as digits as its factorization.

50565617051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 50565617051 in words is "fifty billion, five hundred sixty-five million, six hundred seventeen thousand, fifty-one".