56544566 has 16 divisors (see below), whose sum is σ = 92500800. Its totient is φ = 25766208.

The previous prime is 56544539. The next prime is 56544569. The reversal of 56544566 is 66544565.

It is a super-3 number, since 3×56544566³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56544569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (5781300).

Almost surely, 2^56544566 is an apocalyptic number.

56544566 is a deficient number, since it is larger than the sum of its proper divisors (35956234).

56544566 is a wasteful number, since it uses less digits than its factorization.

56544566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623.

The product of its digits is 432000, while the sum is 41.

The square root of 56544566 is about 7519.6120910590. The cubic root of 56544566 is about 383.8223778855.

Subtracting 56544566 from its reverse (66544565), we obtain a palindrome (9999999).

The spelling of 56544566 in words is "fifty-six million, five hundred forty-four thousand, five hundred sixty-six".