5564661057 has 24 divisors (see below), whose sum is σ = 8111163840. Its totient is φ = 3676065120.

The previous prime is 5564661049. The next prime is 5564661071. The reversal of 5564661057 is 7501664655.

5564661057 is a `hidden beast` number, since 556 + 46 + 6 + 1 + 0 + 57 = 666.

It is not a de Polignac number, because 5564661057 - 2³ = 5564661049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5564661077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530332 + ... + 540722.

It is an arithmetic number, because the mean of its divisors is an integer number (337965160).

Almost surely, 2^5564661057 is an apocalyptic number.

It is an amenable number.

5564661057 is a deficient number, since it is larger than the sum of its proper divisors (2546502783).

5564661057 is a wasteful number, since it uses less digits than its factorization.

5564661057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 5564661057 is about 74596.6558030586. The cubic root of 5564661057 is about 1772.0646910677.

The spelling of 5564661057 in words is "five billion, five hundred sixty-four million, six hundred sixty-one thousand, fifty-seven".