51368432847524 has 48 divisors (see below), whose sum is σ = 97327273326192. Its totient is φ = 23581977925632.

The previous prime is 51368432847499. The next prime is 51368432847527. The reversal of 51368432847524 is 42574823486315.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18447025000000 + 32921407847524 = 4295000^2 + 5737718^2 .

It is not an unprimeable number, because it can be changed into a prime (51368432847527) 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, 9322142 + ... + 13770954.

It is an arithmetic number, because the mean of its divisors is an integer number (2027651527629).

Almost surely, 2^{51368432847524} is an apocalyptic number.

It is an amenable number.

51368432847524 is a deficient number, since it is larger than the sum of its proper divisors (45958840478668).

51368432847524 is a wasteful number, since it uses less digits than its factorization.

51368432847524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450016 (or 4450014 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 62.

The spelling of 51368432847524 in words is "fifty-one trillion, three hundred sixty-eight billion, four hundred thirty-two million, eight hundred forty-seven thousand, five hundred twenty-four".