51710890751 has 32 divisors (see below), whose sum is σ = 62107718400. Its totient is φ = 42533475840.

The previous prime is 51710890747. The next prime is 51710890813. The reversal of 51710890751 is 15709801715.

It is a cyclic number.

It is not a de Polignac number, because 51710890751 - 2² = 51710890747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51710890711) 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 in 31 ways as a sum of consecutive naturals, for example, 8945180 + ... + 8950958.

It is an arithmetic number, because the mean of its divisors is an integer number (1940866200).

Almost surely, 2^51710890751 is an apocalyptic number.

51710890751 is a deficient number, since it is larger than the sum of its proper divisors (10396827649).

51710890751 is a wasteful number, since it uses less digits than its factorization.

51710890751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 88200, while the sum is 44.

The spelling of 51710890751 in words is "fifty-one billion, seven hundred ten million, eight hundred ninety thousand, seven hundred fifty-one".