51606883093 has 2 divisors, whose sum is σ = 51606883094. Its totient is φ = 51606883092.

The previous prime is 51606883067. The next prime is 51606883099. The reversal of 51606883093 is 39038860615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36922775409 + 14684107684 = 192153^2 + 121178^2 .

It is a cyclic number.

It is not a de Polignac number, because 51606883093 - 2⁵ = 51606883061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51606883099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25803441546 + 25803441547.

It is an arithmetic number, because the mean of its divisors is an integer number (25803441547).

Almost surely, 2^51606883093 is an apocalyptic number.

It is an amenable number.

51606883093 is a deficient number, since it is larger than the sum of its proper divisors (1).

51606883093 is an equidigital number, since it uses as much as digits as its factorization.

51606883093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 51606883093 in words is "fifty-one billion, six hundred six million, eight hundred eighty-three thousand, ninety-three".