51005560550560 has 96 divisors (see below), whose sum is σ = 150234560203392. Its totient is φ = 15897837050880.

The previous prime is 51005560550513. The next prime is 51005560550717. The reversal of 51005560550560 is 6505506550015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070018547 + ... + 2070043186.

It is an arithmetic number, because the mean of its divisors is an integer number (1564943335452).

Almost surely, 2^{51005560550560} is an apocalyptic number.

It is an amenable number.

51005560550560 is an abundant number, since it is smaller than the sum of its proper divisors (99228999652832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51005560550560 is a wasteful number, since it uses less digits than its factorization.

51005560550560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140061766 (or 4140061758 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 51005560550560 in words is "fifty-one trillion, five billion, five hundred sixty million, five hundred fifty thousand, five hundred sixty".