6550427 has 4 divisors (see below), whose sum is σ = 7054320. Its totient is φ = 6046536.

The previous prime is 6550417. The next prime is 6550471. The reversal of 6550427 is 7240556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550427 is a prime.

It is a d-powerful number, because it can be written as 6³ + 5⁸ + 5⁸ + 0 + 4³ + 2¹² + 7⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 6550427.

It is not an unprimeable number, because it can be changed into a prime (6550417) 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, 251927 + ... + 251952.

It is an arithmetic number, because the mean of its divisors is an integer number (1763580).

Almost surely, 2^6550427 is an apocalyptic number.

6550427 is a deficient number, since it is larger than the sum of its proper divisors (503893).

6550427 is a wasteful number, since it uses less digits than its factorization.

6550427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503892.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 6550427 is about 2559.3801984074. The cubic root of 6550427 is about 187.1069288458.

The spelling of 6550427 in words is "six million, five hundred fifty thousand, four hundred twenty-seven".