556055006020 has 24 divisors (see below), whose sum is σ = 1196196380568. Its totient is φ = 216997075200.

The previous prime is 556055005997. The next prime is 556055006041. The reversal of 556055006020 is 20600550655.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41400854784 + 514654151236 = 203472^2 + 717394^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339057111 + ... + 339058750.

It is an arithmetic number, because the mean of its divisors is an integer number (49841515857).

Almost surely, 2^556055006020 is an apocalyptic number.

It is an amenable number.

556055006020 is an abundant number, since it is smaller than the sum of its proper divisors (640141374548).

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

556055006020 is a wasteful number, since it uses less digits than its factorization.

556055006020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678115911 (or 678115909 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 556055006020 its reverse (20600550655), we get a palindrome (576655556675).

The spelling of 556055006020 in words is "five hundred fifty-six billion, fifty-five million, six thousand, twenty".