5505645 has 16 divisors (see below), whose sum is σ = 8851392. Its totient is φ = 2922240.

The previous prime is 5505641. The next prime is 5505653. The reversal of 5505645 is 5465055.

It is not a de Polignac number, because 5505645 - 2² = 5505641 is a prime.

It is a super-3 number, since 3×5505645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (553212).

Almost surely, 2^5505645 is an apocalyptic number.

It is an amenable number.

5505645 is a deficient number, since it is larger than the sum of its proper divisors (3345747).

5505645 is a wasteful number, since it uses less digits than its factorization.

5505645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

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

The square root of 5505645 is about 2346.4110893021. The cubic root of 5505645 is about 176.5777864698.

The spelling of 5505645 in words is "five million, five hundred five thousand, six hundred forty-five".