6554647 has 4 divisors (see below), whose sum is σ = 7150536. Its totient is φ = 5958760.

The previous prime is 6554641. The next prime is 6554657. The reversal of 6554647 is 7464556.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6554647 - 2⁷ = 6554519 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 (6554641) 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, 297928 + ... + 297949.

It is an arithmetic number, because the mean of its divisors is an integer number (1787634).

Almost surely, 2^6554647 is an apocalyptic number.

6554647 is a deficient number, since it is larger than the sum of its proper divisors (595889).

6554647 is a wasteful number, since it uses less digits than its factorization.

6554647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595888.

The product of its digits is 100800, while the sum is 37.

The square root of 6554647 is about 2560.2044840208. The cubic root of 6554647 is about 187.1471003614.

Subtracting 6554647 from its reverse (7464556), we obtain a palindrome (909909).

The spelling of 6554647 in words is "six million, five hundred fifty-four thousand, six hundred forty-seven".