556021612050 has 96 divisors (see below), whose sum is σ = 1466315203392. Its totient is φ = 138951444480.

The previous prime is 556021612039. The next prime is 556021612057. The reversal of 556021612050 is 50216120655.

It is not an unprimeable number, because it can be changed into a prime (556021612057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126237 + ... + 1062063.

It is an arithmetic number, because the mean of its divisors is an integer number (15274116702).

Almost surely, 2^556021612050 is an apocalyptic number.

556021612050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 556021612050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733157601696).

556021612050 is an abundant number, since it is smaller than the sum of its proper divisors (910293591342).

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

556021612050 is a wasteful number, since it uses less digits than its factorization.

556021612050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936092 (or 936087 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 556021612050 in words is "five hundred fifty-six billion, twenty-one million, six hundred twelve thousand, fifty".