5565545 has 16 divisors (see below), whose sum is σ = 7248528. Its totient is φ = 4085760.

The previous prime is 5565509. The next prime is 5565551. The reversal of 5565545 is 5455655.

It can be written as a sum of positive squares in 8 ways, for example, as 712336 + 4853209 = 844^2 + 2203^2 .

It is not a de Polignac number, because 5565545 - 2⁶ = 5565481 is a prime.

It is a super-2 number, since 2×5565545² = 61950582294050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (453033).

Almost surely, 2^5565545 is an apocalyptic number.

It is an amenable number.

5565545 is a deficient number, since it is larger than the sum of its proper divisors (1682983).

5565545 is a wasteful number, since it uses less digits than its factorization.

5565545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 75000, while the sum is 35.

The square root of 5565545 is about 2359.1407334027. The cubic root of 5565545 is about 177.2158516563.

The spelling of 5565545 in words is "five million, five hundred sixty-five thousand, five hundred forty-five".