556122505 has 8 divisors (see below), whose sum is σ = 668328192. Its totient is φ = 444243888.

The previous prime is 556122503. The next prime is 556122509. The reversal of 556122505 is 505221655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556122505 - 2¹ = 556122503 is a prime.

It is a Duffinian number.

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, 78009 + ... + 84838.

It is an arithmetic number, because the mean of its divisors is an integer number (83541024).

Almost surely, 2^556122505 is an apocalyptic number.

It is an amenable number.

556122505 is a deficient number, since it is larger than the sum of its proper divisors (112205687).

556122505 is a wasteful number, since it uses less digits than its factorization.

556122505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163535.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 556122505 is about 23582.2497866510. The cubic root of 556122505 is about 822.3502398842.

The spelling of 556122505 in words is "five hundred fifty-six million, one hundred twenty-two thousand, five hundred five".