5517665 has 4 divisors (see below), whose sum is σ = 6621204. Its totient is φ = 4414128.

The previous prime is 5517661. The next prime is 5517667. The reversal of 5517665 is 5667155.

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 3243601 + 2274064 = 1801^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 5517665 - 2² = 5517661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5517661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551762 + ... + 551771.

It is an arithmetic number, because the mean of its divisors is an integer number (1655301).

Almost surely, 2^5517665 is an apocalyptic number.

It is an amenable number.

5517665 is a deficient number, since it is larger than the sum of its proper divisors (1103539).

5517665 is a wasteful number, since it uses less digits than its factorization.

5517665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103538.

The product of its digits is 31500, while the sum is 35.

The square root of 5517665 is about 2348.9710513329. The cubic root of 5517665 is about 176.7061954189.

The spelling of 5517665 in words is "five million, five hundred seventeen thousand, six hundred sixty-five".