556560522 has 72 divisors (see below), whose sum is σ = 1406492100. Its totient is φ = 158594688.

The previous prime is 556560517. The next prime is 556560533. The reversal of 556560522 is 225065655.

556560522 is a `hidden beast` number, since 556 + 56 + 0 + 52 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 422672481 + 133888041 = 20559^2 + 11571^2 .

It is a super-2 number, since 2×556560522² = 619519229297824968, which contains 22 as substring.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 501304 + ... + 502412.

Almost surely, 2^556560522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556560522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703246050).

556560522 is an abundant number, since it is smaller than the sum of its proper divisors (849931578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556560522 is a wasteful number, since it uses less digits than its factorization.

556560522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 556560522 is about 23591.5349648979. The cubic root of 556560522 is about 822.5660849271.

The spelling of 556560522 in words is "five hundred fifty-six million, five hundred sixty thousand, five hundred twenty-two".