5527661 has 8 divisors (see below), whose sum is σ = 5859000. Its totient is φ = 5205760.

The previous prime is 5527649. The next prime is 5527663. The reversal of 5527661 is 1667255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1012036 + 4515625 = 1006^2 + 2125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5527661 - 2⁶ = 5527597 is a prime.

It is a super-2 number, since 2×5527661² = 61110072261842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5527663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (732375).

Almost surely, 2^5527661 is an apocalyptic number.

It is an amenable number.

5527661 is a deficient number, since it is larger than the sum of its proper divisors (331339).

5527661 is a wasteful number, since it uses less digits than its factorization.

5527661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its digits is 12600, while the sum is 32.

The square root of 5527661 is about 2351.0978286749. The cubic root of 5527661 is about 176.8128401402.

The spelling of 5527661 in words is "five million, five hundred twenty-seven thousand, six hundred sixty-one".