5643850 has 12 divisors (see below), whose sum is σ = 10497654. Its totient is φ = 2257520.

The previous prime is 5643821. The next prime is 5643851. The reversal of 5643850 is 583465.

It can be written as a sum of positive squares in 3 ways, for example, as 2556801 + 3087049 = 1599^2 + 1757^2 .

It is not an unprimeable number, because it can be changed into a prime (5643851) 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 5 ways as a sum of consecutive naturals, for example, 56389 + ... + 56488.

Almost surely, 2^5643850 is an apocalyptic number.

5643850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5643850 is a deficient number, since it is larger than the sum of its proper divisors (4853804).

5643850 is a wasteful number, since it uses less digits than its factorization.

5643850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112889 (or 112884 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5643850 is about 2375.6788503499. The cubic root of 5643850 is about 178.0431028051.

The spelling of 5643850 in words is "five million, six hundred forty-three thousand, eight hundred fifty".