50511051049997 has 2 divisors, whose sum is σ = 50511051049998. Its totient is φ = 50511051049996.

The previous prime is 50511051049919. The next prime is 50511051050029. The reversal of 50511051049997 is 79994015011505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33312994171081 + 17198056878916 = 5771741^2 + 4147054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50511051049997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50511051049297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255525524998 + 25255525524999.

It is an arithmetic number, because the mean of its divisors is an integer number (25255525524999).

Almost surely, 2^{50511051049997} is an apocalyptic number.

It is an amenable number.

50511051049997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50511051049997 is an equidigital number, since it uses as much as digits as its factorization.

50511051049997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2551500, while the sum is 56.

The spelling of 50511051049997 in words is "fifty trillion, five hundred eleven billion, fifty-one million, forty-nine thousand, nine hundred ninety-seven".