5544661 has 4 divisors (see below), whose sum is σ = 5561452. Its totient is φ = 5527872.

The previous prime is 5544659. The next prime is 5544667. The reversal of 5544661 is 1664455.

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 3496900 + 2047761 = 1870^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544661 - 2¹ = 5544659 is a prime.

It is a Duffinian number.

5544661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544667) 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, 7890 + ... + 8563.

It is an arithmetic number, because the mean of its divisors is an integer number (1390363).

Almost surely, 2^5544661 is an apocalyptic number.

It is an amenable number.

5544661 is a deficient number, since it is larger than the sum of its proper divisors (16791).

5544661 is a wasteful number, since it uses less digits than its factorization.

5544661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16790.

The product of its digits is 14400, while the sum is 31.

The square root of 5544661 is about 2354.7103855889. The cubic root of 5544661 is about 176.9939138427.

The spelling of 5544661 in words is "five million, five hundred forty-four thousand, six hundred sixty-one".