5545666 has 8 divisors (see below), whose sum is σ = 9506880. Its totient is φ = 2376708.

The previous prime is 5545649. The next prime is 5545681. The reversal of 5545666 is 6665455.

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

It is a super-2 number, since 2×5545666² = 61508822767112, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 198046 + ... + 198073.

It is an arithmetic number, because the mean of its divisors is an integer number (1188360).

Almost surely, 2^5545666 is an apocalyptic number.

5545666 is a deficient number, since it is larger than the sum of its proper divisors (3961214).

5545666 is a wasteful number, since it uses less digits than its factorization.

5545666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396128.

The product of its digits is 108000, while the sum is 37.

The square root of 5545666 is about 2354.9237779597. The cubic root of 5545666 is about 177.0046069002.

The spelling of 5545666 in words is "five million, five hundred forty-five thousand, six hundred sixty-six".