5653979 has 8 divisors (see below), whose sum is σ = 6046560. Its totient is φ = 5268096.

The previous prime is 5653957. The next prime is 5653993. The reversal of 5653979 is 9793565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5653979 - 2⁸ = 5653723 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (755820).

Almost surely, 2^5653979 is an apocalyptic number.

5653979 is a deficient number, since it is larger than the sum of its proper divisors (392581).

5653979 is a wasteful number, since it uses less digits than its factorization.

5653979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its digits is 255150, while the sum is 44.

The square root of 5653979 is about 2377.8097064315. The cubic root of 5653979 is about 178.1495502840.

The spelling of 5653979 in words is "five million, six hundred fifty-three thousand, nine hundred seventy-nine".