51727511068624 has 10 divisors (see below), whose sum is σ = 100222052695490. Its totient is φ = 25863755534304.

The previous prime is 51727511068561. The next prime is 51727511068663. The reversal of 51727511068624 is 42686011572715.

It can be written as a sum of positive squares in only one way, i.e., 51257008360000 + 470502708624 = 7159400^2 + 685932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616484720879 + ... + 1616484720910.

It is an arithmetic number, because the mean of its divisors is an integer number (10022205269549).

Almost surely, 2^{51727511068624} is an apocalyptic number.

It is an amenable number.

51727511068624 is a deficient number, since it is larger than the sum of its proper divisors (48494541626866).

51727511068624 is a wasteful number, since it uses less digits than its factorization.

51727511068624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232969441797 (or 3232969441791 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 51727511068624 in words is "fifty-one trillion, seven hundred twenty-seven billion, five hundred eleven million, sixty-eight thousand, six hundred twenty-four".