5545165 has 4 divisors (see below), whose sum is σ = 6654204. Its totient is φ = 4436128.

The previous prime is 5545123. The next prime is 5545193. The reversal of 5545165 is 5615455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 4541161 = 1002^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 5545165 - 2⁷ = 5545037 is a prime.

It is a Duffinian number.

5545165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554512 + ... + 554521.

It is an arithmetic number, because the mean of its divisors is an integer number (1663551).

Almost surely, 2^5545165 is an apocalyptic number.

It is an amenable number.

5545165 is a deficient number, since it is larger than the sum of its proper divisors (1109039).

5545165 is a wasteful number, since it uses less digits than its factorization.

5545165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109038.

The product of its digits is 15000, while the sum is 31.

The square root of 5545165 is about 2354.8174026875. The cubic root of 5545165 is about 176.9992764927. Note that the first 3 decimals are identical.

The spelling of 5545165 in words is "five million, five hundred forty-five thousand, one hundred sixty-five".