5555645 has 8 divisors (see below), whose sum is σ = 6726456. Its totient is φ = 4404736.

The previous prime is 5555639. The next prime is 5555653. The reversal of 5555645 is 5465555.

5555645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 5555449 = 14^2 + 2357^2 .

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 5555645 - 2⁴ = 5555629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4352 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (840807).

Almost surely, 2^5555645 is an apocalyptic number.

It is an amenable number.

5555645 is a deficient number, since it is larger than the sum of its proper divisors (1170811).

5555645 is a wasteful number, since it uses less digits than its factorization.

5555645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9951.

The product of its digits is 75000, while the sum is 35.

The square root of 5555645 is about 2357.0415779108. The cubic root of 5555645 is about 177.1107120144.

The spelling of 5555645 in words is "five million, five hundred fifty-five thousand, six hundred forty-five".