556220564 has 12 divisors (see below), whose sum is σ = 974967924. Its totient is φ = 277658304.

The previous prime is 556220543. The next prime is 556220579. The reversal of 556220564 is 465022655.

It can be written as a sum of positive squares in 2 ways, for example, as 160528900 + 395691664 = 12670^2 + 19892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110219 + ... + 115154.

It is an arithmetic number, because the mean of its divisors is an integer number (81247327).

Almost surely, 2^556220564 is an apocalyptic number.

It is an amenable number.

556220564 is a deficient number, since it is larger than the sum of its proper divisors (418747360).

556220564 is a wasteful number, since it uses less digits than its factorization.

556220564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225994 (or 225992 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 556220564 is about 23584.3287799335. The cubic root of 556220564 is about 822.3985710237.

The spelling of 556220564 in words is "five hundred fifty-six million, two hundred twenty thousand, five hundred sixty-four".