56567564 has 12 divisors (see below), whose sum is σ = 100471224. Its totient is φ = 27861504.

The previous prime is 56567531. The next prime is 56567597. The reversal of 56567564 is 46576565.

It is an interprime number because it is at equal distance from previous prime (56567531) and next prime (56567597).

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, 105269 + ... + 105804.

It is an arithmetic number, because the mean of its divisors is an integer number (8372602).

Almost surely, 2^56567564 is an apocalyptic number.

It is an amenable number.

56567564 is a deficient number, since it is larger than the sum of its proper divisors (43903660).

56567564 is a wasteful number, since it uses less digits than its factorization.

56567564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211144 (or 211142 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 56567564 is about 7521.1411368223. The cubic root of 56567564 is about 383.8744073507.

Subtracting from 56567564 its reverse (46576565), we obtain a palindrome (9990999).

The spelling of 56567564 in words is "fifty-six million, five hundred sixty-seven thousand, five hundred sixty-four".