5644855 has 8 divisors (see below), whose sum is σ = 6869664. Its totient is φ = 4452000.

The previous prime is 5644829. The next prime is 5644861. The reversal of 5644855 is 5584465.

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

It is not a de Polignac number, because 5644855 - 2¹⁹ = 5120567 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7596 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (858708).

Almost surely, 2^5644855 is an apocalyptic number.

5644855 is a deficient number, since it is larger than the sum of its proper divisors (1224809).

5644855 is a wasteful number, since it uses less digits than its factorization.

5644855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15977.

The product of its digits is 96000, while the sum is 37.

The square root of 5644855 is about 2375.8903594232. The cubic root of 5644855 is about 178.0536702191.

The spelling of 5644855 in words is "five million, six hundred forty-four thousand, eight hundred fifty-five".