555017050056 has 128 divisors (see below), whose sum is σ = 1704104110080. Its totient is φ = 147020645376.

The previous prime is 555017050033. The next prime is 555017050067. The reversal of 555017050056 is 650050710555.

It is a junction number, because it is equal to n+sod(n) for n = 555017049996 and 555017050023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1258900 + ... + 1641603.

It is an arithmetic number, because the mean of its divisors is an integer number (13313313360).

Almost surely, 2^555017050056 is an apocalyptic number.

555017050056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

555017050056 is an abundant number, since it is smaller than the sum of its proper divisors (1149087060024).

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

555017050056 is a wasteful number, since it uses less digits than its factorization.

555017050056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900603 (or 2900599 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 39.

The spelling of 555017050056 in words is "five hundred fifty-five billion, seventeen million, fifty thousand, fifty-six".