5644655 has 4 divisors (see below), whose sum is σ = 6773592. Its totient is φ = 4515720.

The previous prime is 5644643. The next prime is 5644657. The reversal of 5644655 is 5564465.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5644655 - 2⁸ = 5644399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564461 + ... + 564470.

It is an arithmetic number, because the mean of its divisors is an integer number (1693398).

Almost surely, 2^5644655 is an apocalyptic number.

5644655 is a deficient number, since it is larger than the sum of its proper divisors (1128937).

5644655 is a wasteful number, since it uses less digits than its factorization.

5644655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128936.

The product of its digits is 72000, while the sum is 35.

The square root of 5644655 is about 2375.8482695661. The cubic root of 5644655 is about 178.0515673511.

The spelling of 5644655 in words is "five million, six hundred forty-four thousand, six hundred fifty-five".