5655979 has 4 divisors (see below), whose sum is σ = 6463984. Its totient is φ = 4847976.

The previous prime is 5655961. The next prime is 5655997. The reversal of 5655979 is 9795565.

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

It is an interprime number because it is at equal distance from previous prime (5655961) and next prime (5655997).

It is not a de Polignac number, because 5655979 - 2⁷ = 5655851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5655929) 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 3 ways as a sum of consecutive naturals, for example, 403992 + ... + 404005.

It is an arithmetic number, because the mean of its divisors is an integer number (1615996).

Almost surely, 2^5655979 is an apocalyptic number.

5655979 is a deficient number, since it is larger than the sum of its proper divisors (808005).

5655979 is an equidigital number, since it uses as much as digits as its factorization.

5655979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808004.

The product of its digits is 425250, while the sum is 46.

The square root of 5655979 is about 2378.2302243475. The cubic root of 5655979 is about 178.1705536103.

The spelling of 5655979 in words is "five million, six hundred fifty-five thousand, nine hundred seventy-nine".