6550969 has 4 divisors (see below), whose sum is σ = 6563620. Its totient is φ = 6538320.

The previous prime is 6550963. The next prime is 6550981. The reversal of 6550969 is 9690556.

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 5198400 + 1352569 = 2280^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 6550969 - 2²¹ = 4453817 is a prime.

It is a super-3 number, since 3×6550969³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550963) 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, 5514 + ... + 6595.

It is an arithmetic number, because the mean of its divisors is an integer number (1640905).

Almost surely, 2^6550969 is an apocalyptic number.

It is an amenable number.

6550969 is a deficient number, since it is larger than the sum of its proper divisors (12651).

6550969 is a wasteful number, since it uses less digits than its factorization.

6550969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 6550969 is about 2559.4860812280. The cubic root of 6550969 is about 187.1120892808.

The spelling of 6550969 in words is "six million, five hundred fifty thousand, nine hundred sixty-nine".