5661424 has 20 divisors (see below), whose sum is σ = 11012440. Its totient is φ = 2819520.

The previous prime is 5661421. The next prime is 5661451. The reversal of 5661424 is 4241665.

It is a junction number, because it is equal to n+sod(n) for n = 5661392 and 5661401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661421) by changing a digit.

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, 4762 + ... + 5830.

It is an arithmetic number, because the mean of its divisors is an integer number (550622).

Almost surely, 2^5661424 is an apocalyptic number.

It is an amenable number.

5661424 is a deficient number, since it is larger than the sum of its proper divisors (5351016).

5661424 is a wasteful number, since it uses less digits than its factorization.

5661424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1402 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 5661424 is about 2379.3747077751. The cubic root of 5661424 is about 178.2277100880.

The spelling of 5661424 in words is "five million, six hundred sixty-one thousand, four hundred twenty-four".