51800280052817 has 8 divisors (see below), whose sum is σ = 52863879449472. Its totient is φ = 50745223623600.

The previous prime is 51800280052811. The next prime is 51800280052831. The reversal of 51800280052817 is 71825008200815.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51800280052817 - 2¹² = 51800280048721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51800280052811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135729609 + ... + 2135753862.

It is an arithmetic number, because the mean of its divisors is an integer number (6607984931184).

Almost surely, 2^{51800280052817} is an apocalyptic number.

It is an amenable number.

51800280052817 is a deficient number, since it is larger than the sum of its proper divisors (1063599396655).

51800280052817 is a wasteful number, since it uses less digits than its factorization.

51800280052817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271483719.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 51800280052817 in words is "fifty-one trillion, eight hundred billion, two hundred eighty million, fifty-two thousand, eight hundred seventeen".