545654565 has 12 divisors (see below), whose sum is σ = 945801324. Its totient is φ = 291015744.

The previous prime is 545654531. The next prime is 545654581. The reversal of 545654565 is 565456545.

545654565 is a `hidden beast` number, since 5 + 45 + 6 + 545 + 65 = 666.

545654565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 140920641 + 404733924 = 11871^2 + 20118^2 .

It is not a de Polignac number, because 545654565 - 2⁷ = 545654437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12125657 = 545654565 / (5 + 4 + 5 + 6 + 5 + 4 + 5 + 6 + 5).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 545654565.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6062784 + ... + 6062873.

It is an arithmetic number, because the mean of its divisors is an integer number (78816777).

Almost surely, 2^545654565 is an apocalyptic number.

It is an amenable number.

545654565 is a deficient number, since it is larger than the sum of its proper divisors (400146759).

545654565 is a wasteful number, since it uses less digits than its factorization.

545654565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125668 (or 12125665 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The square root of 545654565 is about 23359.2500949838. The cubic root of 545654565 is about 817.1578008344.

The spelling of 545654565 in words is "five hundred forty-five million, six hundred fifty-four thousand, five hundred sixty-five".