5531668 has 12 divisors (see below), whose sum is σ = 9719892. Its totient is φ = 2754560.

The previous prime is 5531657. The next prime is 5531677. The reversal of 5531668 is 8661355.

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 1483524 = 2012^2 + 1218^2 .

It is an Ulam 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, 1663 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (809991).

Almost surely, 2^5531668 is an apocalyptic number.

It is an amenable number.

5531668 is a deficient number, since it is larger than the sum of its proper divisors (4188224).

5531668 is a wasteful number, since it uses less digits than its factorization.

5531668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642 (or 5640 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 5531668 is about 2351.9498293969. The cubic root of 5531668 is about 176.8555536812.

The spelling of 5531668 in words is "five million, five hundred thirty-one thousand, six hundred sixty-eight".