506056556 has 12 divisors (see below), whose sum is σ = 886900392. Its totient is φ = 252656448.

The previous prime is 506056543. The next prime is 506056571. The reversal of 506056556 is 655650605.

It is a happy number.

It is a super-2 number, since 2×506056556² = 512186475741162272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89885 + ... + 95348.

It is an arithmetic number, because the mean of its divisors is an integer number (73908366).

Almost surely, 2^506056556 is an apocalyptic number.

It is an amenable number.

506056556 is a deficient number, since it is larger than the sum of its proper divisors (380843836).

506056556 is a wasteful number, since it uses less digits than its factorization.

506056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185920 (or 185918 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 506056556 is about 22495.7008337149. The cubic root of 506056556 is about 796.8924004115.

It can be divided in two parts, 5060 and 56556, that added together give a palindrome (61616).

The spelling of 506056556 in words is "five hundred six million, fifty-six thousand, five hundred fifty-six".