51210543622052 has 24 divisors (see below), whose sum is σ = 91200392445120. Its totient is φ = 25153888488480.

The previous prime is 51210543622013. The next prime is 51210543622097. The reversal of 51210543622052 is 25022634501215.

It is a junction number, because it is equal to n+sod(n) for n = 51210543621997 and 51210543622015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74639099 + ... + 75322082.

It is an arithmetic number, because the mean of its divisors is an integer number (3800016351880).

Almost surely, 2^{51210543622052} is an apocalyptic number.

It is an amenable number.

51210543622052 is a deficient number, since it is larger than the sum of its proper divisors (39989848823068).

51210543622052 is a wasteful number, since it uses less digits than its factorization.

51210543622052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149962691 (or 149962689 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 51210543622052 in words is "fifty-one trillion, two hundred ten billion, five hundred forty-three million, six hundred twenty-two thousand, fifty-two".