6550457 has 4 divisors (see below), whose sum is σ = 6935796. Its totient is φ = 6165120.

The previous prime is 6550417. The next prime is 6550471. The reversal of 6550457 is 7540556.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3031081 + 3519376 = 1741^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 6550457 - 2¹² = 6546361 is a prime.

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, 192644 + ... + 192677.

It is an arithmetic number, because the mean of its divisors is an integer number (1733949).

Almost surely, 2^6550457 is an apocalyptic number.

It is an amenable number.

6550457 is a deficient number, since it is larger than the sum of its proper divisors (385339).

6550457 is a wasteful number, since it uses less digits than its factorization.

6550457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385338.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 6550457 is about 2559.3860591947. The cubic root of 6550457 is about 187.1072144862.

Subtracting 6550457 from its reverse (7540556), we obtain a palindrome (990099).

It can be divided in two parts, 6550 and 457, that added together give a palindrome (7007).

The spelling of 6550457 in words is "six million, five hundred fifty thousand, four hundred fifty-seven".