556122506 has 16 divisors (see below), whose sum is σ = 857528520. Its totient is φ = 270293760.

The previous prime is 556122503. The next prime is 556122509. The reversal of 556122506 is 605221655.

It is an interprime number because it is at equal distance from previous prime (556122503) and next prime (556122509).

It can be written as a sum of positive squares in 4 ways, for example, as 481144225 + 74978281 = 21935^2 + 8659^2 .

It is not an unprimeable number, because it can be changed into a prime (556122503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94910 + ... + 100598.

Almost surely, 2^556122506 is an apocalyptic number.

556122506 is a deficient number, since it is larger than the sum of its proper divisors (301406014).

556122506 is a wasteful number, since it uses less digits than its factorization.

556122506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 556122506 is about 23582.2498078534. The cubic root of 556122506 is about 822.3502403771.

The spelling of 556122506 in words is "five hundred fifty-six million, one hundred twenty-two thousand, five hundred six".