54568665 has 24 divisors (see below), whose sum is σ = 99565440. Its totient is φ = 27571104.

The previous prime is 54568643. The next prime is 54568667. The reversal of 54568665 is 56686545.

It is a happy number.

It is not a de Polignac number, because 54568665 - 2⁶ = 54568601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54568665.

It is not an unprimeable number, because it can be changed into a prime (54568667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31057 + ... + 32766.

It is an arithmetic number, because the mean of its divisors is an integer number (4148560).

Almost surely, 2^54568665 is an apocalyptic number.

It is an amenable number.

54568665 is a deficient number, since it is larger than the sum of its proper divisors (44996775).

54568665 is a wasteful number, since it uses less digits than its factorization.

54568665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63853 (or 63850 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 54568665 is about 7387.0606468338. The cubic root of 54568665 is about 379.2984864427.

The spelling of 54568665 in words is "fifty-four million, five hundred sixty-eight thousand, six hundred sixty-five".