5591644 has 12 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 2783648.

The previous prime is 5591617. The next prime is 5591653. The reversal of 5591644 is 4461955.

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 3 ways as a sum of consecutive naturals, for example, 1969 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 2^5591644 is an apocalyptic number.

It is an amenable number.

5591644 is a deficient number, since it is larger than the sum of its proper divisors (4236356).

5591644 is a wasteful number, since it uses less digits than its factorization.

5591644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092 (or 6090 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 5591644 is about 2364.6657269052. The cubic root of 5591644 is about 177.4924310731.

The spelling of 5591644 in words is "five million, five hundred ninety-one thousand, six hundred forty-four".