4055565 has 8 divisors (see below), whose sum is σ = 6488928. Its totient is φ = 2162960.

The previous prime is 4055561. The next prime is 4055573. The reversal of 4055565 is 5655504.

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

It is not a de Polignac number, because 4055565 - 2² = 4055561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055561) 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, 135171 + ... + 135200.

It is an arithmetic number, because the mean of its divisors is an integer number (811116).

Almost surely, 2^4055565 is an apocalyptic number.

It is an amenable number.

4055565 is a deficient number, since it is larger than the sum of its proper divisors (2433363).

4055565 is a wasteful number, since it uses less digits than its factorization.

4055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270379.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 4055565 is about 2013.8433404811. The cubic root of 4055565 is about 159.4717605426.

The spelling of 4055565 in words is "four million, fifty-five thousand, five hundred sixty-five".