5655823 has 2 divisors, whose sum is σ = 5655824. Its totient is φ = 5655822.

The previous prime is 5655791. The next prime is 5655851. The reversal of 5655823 is 3285565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5655823 - 2⁵ = 5655791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5655893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827911 + 2827912.

It is an arithmetic number, because the mean of its divisors is an integer number (2827912).

Almost surely, 2^5655823 is an apocalyptic number.

5655823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655823 is an equidigital number, since it uses as much as digits as its factorization.

5655823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 5655823 is about 2378.1974266238. The cubic root of 5655823 is about 178.1689155289.

The spelling of 5655823 in words is "five million, six hundred fifty-five thousand, eight hundred twenty-three".