5561669 has 8 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 5215936.

The previous prime is 5561659. The next prime is 5561687. The reversal of 5561669 is 9661655.

5561669 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561669 is a prime.

It is a super-2 number, since 2×5561669² = 61864324131122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7802 + ... + 8484.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^5561669 is an apocalyptic number.

It is an amenable number.

5561669 is a deficient number, since it is larger than the sum of its proper divisors (348091).

5561669 is a wasteful number, since it uses less digits than its factorization.

5561669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its digits is 48600, while the sum is 38.

The square root of 5561669 is about 2358.3191047863. The cubic root of 5561669 is about 177.1747027566.

The spelling of 5561669 in words is "five million, five hundred sixty-one thousand, six hundred sixty-nine".