5500645 has 16 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 4242304.

The previous prime is 5500643. The next prime is 5500667. The reversal of 5500645 is 5460055.

It is a cyclic number.

It is not a de Polignac number, because 5500645 - 2¹ = 5500643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500643) 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, 20784 + ... + 21046.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^5500645 is an apocalyptic number.

It is an amenable number.

5500645 is a deficient number, since it is larger than the sum of its proper divisors (1342235).

5500645 is a wasteful number, since it uses less digits than its factorization.

5500645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5500645 is about 2345.3453903423. The cubic root of 5500645 is about 176.5243167229.

The spelling of 5500645 in words is "five million, five hundred thousand, six hundred forty-five".