51055555556056 has 64 divisors (see below), whose sum is σ = 96056424504000. Its totient is φ = 25440699648000.

The previous prime is 51055555556053. The next prime is 51055555556119. The reversal of 51055555556056 is 65065555555015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055555556053) 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, 8681438236 + ... + 8681444116.

It is an arithmetic number, because the mean of its divisors is an integer number (1500881632875).

Almost surely, 2^{51055555556056} is an apocalyptic number.

It is an amenable number.

51055555556056 is a deficient number, since it is larger than the sum of its proper divisors (45000868947944).

51055555556056 is a wasteful number, since it uses less digits than its factorization.

51055555556056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340 (or 9336 counting only the distinct ones).

The product of its (nonzero) digits is 70312500, while the sum is 58.

The spelling of 51055555556056 in words is "fifty-one trillion, fifty-five billion, five hundred fifty-five million, five hundred fifty-six thousand, fifty-six".