50511555071 has 2 divisors, whose sum is σ = 50511555072. Its totient is φ = 50511555070.

The previous prime is 50511555053. The next prime is 50511555079. The reversal of 50511555071 is 17055511505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50511555071 - 2⁶ = 50511555007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50511555079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255777535 + 25255777536.

It is an arithmetic number, because the mean of its divisors is an integer number (25255777536).

Almost surely, 2^50511555071 is an apocalyptic number.

50511555071 is a deficient number, since it is larger than the sum of its proper divisors (1).

50511555071 is an equidigital number, since it uses as much as digits as its factorization.

50511555071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21875, while the sum is 35.

The spelling of 50511555071 in words is "fifty billion, five hundred eleven million, five hundred fifty-five thousand, seventy-one".