556065615056 has 80 divisors (see below), whose sum is σ = 1286151395328. Its totient is φ = 227716579200.

The previous prime is 556065615043. The next prime is 556065615067. The reversal of 556065615056 is 650516560655.

It is a junction number, because it is equal to n+sod(n) for n = 556065614995 and 556065615013.

It is a congruent number.

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, 2390141 + ... + 2612451.

Almost surely, 2^556065615056 is an apocalyptic number.

556065615056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556065615056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643075697664).

556065615056 is an abundant number, since it is smaller than the sum of its proper divisors (730085780272).

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

556065615056 is a wasteful number, since it uses less digits than its factorization.

556065615056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223320 (or 223314 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 556065615056 in words is "five hundred fifty-six billion, sixty-five million, six hundred fifteen thousand, fifty-six".