5639783 has 4 divisors (see below), whose sum is σ = 5746248. Its totient is φ = 5533320.

The previous prime is 5639773. The next prime is 5639797. The reversal of 5639783 is 3879365.

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

It is a cyclic number.

It is not a de Polignac number, because 5639783 - 2⁸ = 5639527 is a prime.

It is a d-powerful number, because it can be written as 5³ + 6³ + 3⁴ + 9² + 7⁷ + 8⁵ + 3¹⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5639783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639723) 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, 53153 + ... + 53258.

It is an arithmetic number, because the mean of its divisors is an integer number (1436562).

Almost surely, 2^5639783 is an apocalyptic number.

5639783 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5639783 is a deficient number, since it is larger than the sum of its proper divisors (106465).

5639783 is a wasteful number, since it uses less digits than its factorization.

5639783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106464.

The product of its digits is 136080, while the sum is 41.

The square root of 5639783 is about 2374.8227302264. The cubic root of 5639783 is about 178.0003261367. Note that the first 3 decimals are identical.

The spelling of 5639783 in words is "five million, six hundred thirty-nine thousand, seven hundred eighty-three".