56544665 has 8 divisors (see below), whose sum is σ = 71424960. Its totient is φ = 42854832.

The previous prime is 56544661. The next prime is 56544679. The reversal of 56544665 is 56644565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56544665 - 2² = 56544661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56544661) 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, 297509 + ... + 297698.

It is an arithmetic number, because the mean of its divisors is an integer number (8928120).

Almost surely, 2^56544665 is an apocalyptic number.

It is an amenable number.

56544665 is a deficient number, since it is larger than the sum of its proper divisors (14880295).

56544665 is a wasteful number, since it uses less digits than its factorization.

56544665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595231.

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

The square root of 56544665 is about 7519.6186738424. The cubic root of 56544665 is about 383.8226018881.

The spelling of 56544665 in words is "fifty-six million, five hundred forty-four thousand, six hundred sixty-five".