5657564 has 24 divisors (see below), whose sum is σ = 10958976. Its totient is φ = 2534000.

The previous prime is 5657551. The next prime is 5657599. The reversal of 5657564 is 4657565.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (456624).

Almost surely, 2^5657564 is an apocalyptic number.

It is an amenable number.

5657564 is a deficient number, since it is larger than the sum of its proper divisors (5301412).

5657564 is a wasteful number, since it uses less digits than its factorization.

5657564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 5657564 is about 2378.5634319900. The cubic root of 5657564 is about 178.1871952298.

Subtracting from 5657564 its reverse (4657565), we obtain a palindrome (999999).

The spelling of 5657564 in words is "five million, six hundred fifty-seven thousand, five hundred sixty-four".