556555204204 has 48 divisors (see below), whose sum is σ = 1017999037440. Its totient is φ = 265926669120.

The previous prime is 556555204193. The next prime is 556555204273. The reversal of 556555204204 is 402402555655.

It is a super-2 number, since 2×556555204204² (a number of 24 digits) contains 22 as substring.

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, 23072902 + ... + 23097010.

It is an arithmetic number, because the mean of its divisors is an integer number (21208313280).

Almost surely, 2^556555204204 is an apocalyptic number.

It is an amenable number.

556555204204 is a deficient number, since it is larger than the sum of its proper divisors (461443833236).

556555204204 is a wasteful number, since it uses less digits than its factorization.

556555204204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26470 (or 26468 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

Adding to 556555204204 its reverse (402402555655), we get a palindrome (958957759859).

The spelling of 556555204204 in words is "five hundred fifty-six billion, five hundred fifty-five million, two hundred four thousand, two hundred four".