556055000000 has 112 divisors (see below), whose sum is σ = 1379285922144. Its totient is φ = 222420000000.

The previous prime is 556054999943. The next prime is 556055000087. The reversal of 556055000000 is 550655.

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, 4944395 + ... + 5055605.

Almost surely, 2^556055000000 is an apocalyptic number.

556055000000 is a gapful number since it is divisible by the number (50) 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 556055000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689642961072).

556055000000 is an abundant number, since it is smaller than the sum of its proper divisors (823230922144).

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

556055000000 is an frugal number, since it uses more digits than its factorization.

556055000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111258 (or 111218 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

Adding to 556055000000 its reverse (550655), we get a palindrome (556055550655).

The spelling of 556055000000 in words is "five hundred fifty-six billion, fifty-five million", and thus it is an aban number.