5487665 has 4 divisors (see below), whose sum is σ = 6585204. Its totient is φ = 4390128.

The previous prime is 5487659. The next prime is 5487667. The reversal of 5487665 is 5667845.

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 1132096 + 4355569 = 1064^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 5487665 - 2¹⁰ = 5486641 is a prime.

It is a super-2 number, since 2×5487665² = 60228934304450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487667) 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, 548762 + ... + 548771.

It is an arithmetic number, because the mean of its divisors is an integer number (1646301).

Almost surely, 2^5487665 is an apocalyptic number.

It is an amenable number.

5487665 is a deficient number, since it is larger than the sum of its proper divisors (1097539).

5487665 is a wasteful number, since it uses less digits than its factorization.

5487665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097538.

The product of its digits is 201600, while the sum is 41.

The square root of 5487665 is about 2342.5765729214. The cubic root of 5487665 is about 176.3853578514.

The spelling of 5487665 in words is "five million, four hundred eighty-seven thousand, six hundred sixty-five".