6550423 has 16 divisors (see below), whose sum is σ = 7900416. Its totient is φ = 5357440.

The previous prime is 6550417. The next prime is 6550471. The reversal of 6550423 is 3240556.

It is not a de Polignac number, because 6550423 - 2²¹ = 4453271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (493776).

Almost surely, 2^6550423 is an apocalyptic number.

6550423 is a deficient number, since it is larger than the sum of its proper divisors (1349993).

6550423 is a wasteful number, since it uses less digits than its factorization.

6550423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6550423 is about 2559.3794169681. The cubic root of 6550423 is about 187.1068907604.

Adding to 6550423 its reverse (3240556), we get a palindrome (9790979).

The spelling of 6550423 in words is "six million, five hundred fifty thousand, four hundred twenty-three".