51555671080863 has 32 divisors (see below), whose sum is σ = 74387844710400. Its totient is φ = 31650160392576.

The previous prime is 51555671080847. The next prime is 51555671080877. The reversal of 51555671080863 is 36808017655515.

It is not a de Polignac number, because 51555671080863 - 2⁴ = 51555671080847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51555671080797 and 51555671080806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51555671080843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9929503 + ... + 14202336.

It is an arithmetic number, because the mean of its divisors is an integer number (2324620147200).

Almost surely, 2^{51555671080863} is an apocalyptic number.

51555671080863 is a deficient number, since it is larger than the sum of its proper divisors (22832173629537).

51555671080863 is a wasteful number, since it uses less digits than its factorization.

51555671080863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24132911.

The product of its (nonzero) digits is 30240000, while the sum is 60.

The spelling of 51555671080863 in words is "fifty-one trillion, five hundred fifty-five billion, six hundred seventy-one million, eighty thousand, eight hundred sixty-three".