5564861604 has 27 divisors (see below), whose sum is σ = 14067864993. Its totient is φ = 1854804672.

The previous prime is 5564861597. The next prime is 5564861609. The reversal of 5564861604 is 4061684655.

The square root of 5564861604 is 74598.

It is a perfect power (a square), and thus also a powerful number.

5564861604 is a `hidden beast` number, since 5 + 5 + 6 + 486 + 160 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 727380900 + 4837480704 = 26970^2 + 69552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5564861604.

It is not an unprimeable number, because it can be changed into a prime (5564861609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 441372 + ... + 453804.

Almost surely, 2^5564861604 is an apocalyptic number.

5564861604 is the 74598-th square number.

It is an amenable number.

5564861604 is an abundant number, since it is smaller than the sum of its proper divisors (8503003389).

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

5564861604 is an equidigital number, since it uses as much as digits as its factorization.

5564861604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24876 (or 12438 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The cubic root of 5564861604 is about 1772.0859788565.

The spelling of 5564861604 in words is "five billion, five hundred sixty-four million, eight hundred sixty-one thousand, six hundred four".