556326056506 has 16 divisors (see below), whose sum is σ = 910818885600. Its totient is φ = 252745714480.

The previous prime is 556326056471. The next prime is 556326056521. The reversal of 556326056506 is 605650623655.

556326056506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×556326056506² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556326056506.

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, 6444436 + ... + 6530191.

It is an arithmetic number, because the mean of its divisors is an integer number (56926180350).

Almost surely, 2^556326056506 is an apocalyptic number.

556326056506 is a deficient number, since it is larger than the sum of its proper divisors (354492829094).

556326056506 is a wasteful number, since it uses less digits than its factorization.

556326056506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976589.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 556326056506 in words is "five hundred fifty-six billion, three hundred twenty-six million, fifty-six thousand, five hundred six".