5550645 has 16 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 2950464.

The previous prime is 5550583. The next prime is 5550647. The reversal of 5550645 is 5460555.

It is not a de Polignac number, because 5550645 - 2⁹ = 5550133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550647) 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 15 ways as a sum of consecutive naturals, for example, 7272 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^5550645 is an apocalyptic number.

It is an amenable number.

5550645 is a deficient number, since it is larger than the sum of its proper divisors (3360075).

5550645 is a wasteful number, since it uses less digits than its factorization.

5550645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 5550645 is about 2355.9806875270. The cubic root of 5550645 is about 177.0575637088.

The spelling of 5550645 in words is "five million, five hundred fifty thousand, six hundred forty-five".