5566516 has 6 divisors (see below), whose sum is σ = 9741410. Its totient is φ = 2783256.

The previous prime is 5566511. The next prime is 5566523. The reversal of 5566516 is 6156655.

It can be written as a sum of positive squares in only one way, i.e., 3225616 + 2340900 = 1796^2 + 1530^2 .

It is a super-2 number, since 2×5566516² = 61972200756512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695811 + ... + 695818.

Almost surely, 2^5566516 is an apocalyptic number.

It is an amenable number.

5566516 is a deficient number, since it is larger than the sum of its proper divisors (4174894).

5566516 is a wasteful number, since it uses less digits than its factorization.

5566516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391633 (or 1391631 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 5566516 is about 2359.3465196957. The cubic root of 5566516 is about 177.2261571212.

The spelling of 5566516 in words is "five million, five hundred sixty-six thousand, five hundred sixteen".