556500056 has 24 divisors (see below), whose sum is σ = 1213795620. Its totient is φ = 238499856.

The previous prime is 556500041. The next prime is 556500071. The reversal of 556500056 is 650005655.

It is an interprime number because it is at equal distance from previous prime (556500041) and next prime (556500071).

It is a junction number, because it is equal to n+sod(n) for n = 556499995 and 556500031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 709430 + ... + 710213.

Almost surely, 2^556500056 is an apocalyptic number.

556500056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

556500056 is an abundant number, since it is smaller than the sum of its proper divisors (657295564).

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

556500056 is a wasteful number, since it uses less digits than its factorization.

556500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419663 (or 1419652 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 556500056 is about 23590.2534111018. The cubic root of 556500056 is about 822.5362953653.

The spelling of 556500056 in words is "five hundred fifty-six million, five hundred thousand, fifty-six".