5561647 has 12 divisors (see below), whose sum is σ = 6968136. Its totient is φ = 4399920.

The previous prime is 5561641. The next prime is 5561657. The reversal of 5561647 is 7461655.

It is a happy number.

It is not a de Polignac number, because 5561647 - 2³ = 5561639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3729 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (580678).

Almost surely, 2^5561647 is an apocalyptic number.

5561647 is a deficient number, since it is larger than the sum of its proper divisors (1406489).

5561647 is a wasteful number, since it uses less digits than its factorization.

5561647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 8751 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 5561647 is about 2358.3144404426. The cubic root of 5561647 is about 177.1744691428.

The spelling of 5561647 in words is "five million, five hundred sixty-one thousand, six hundred forty-seven".