51756755673 has 16 divisors (see below), whose sum is σ = 80204175360. Its totient is φ = 29074012176.

The previous prime is 51756755641. The next prime is 51756755803. The reversal of 51756755673 is 37655765715.

It is a happy number.

51756755673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51756755673 - 2⁵ = 51756755641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51756775673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20885265 + ... + 20887742.

It is an arithmetic number, because the mean of its divisors is an integer number (5012760960).

Almost surely, 2^51756755673 is an apocalyptic number.

It is an amenable number.

51756755673 is a deficient number, since it is larger than the sum of its proper divisors (28447419687).

51756755673 is a wasteful number, since it uses less digits than its factorization.

51756755673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41773076.

The product of its digits is 23152500, while the sum is 57.

The spelling of 51756755673 in words is "fifty-one billion, seven hundred fifty-six million, seven hundred fifty-five thousand, six hundred seventy-three".