5689561 has 4 divisors (see below), whose sum is σ = 5698000. Its totient is φ = 5681124.

The previous prime is 5689549. The next prime is 5689591. The reversal of 5689561 is 1659865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1659865 = 5 ⋅331973.

It is a cyclic number.

It is not a de Polignac number, because 5689561 - 2¹³ = 5681369 is a prime.

It is a super-2 number, since 2×5689561² = 64742208745442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5689591) 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, 3111 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (1424500).

Almost surely, 2^5689561 is an apocalyptic number.

It is an amenable number.

5689561 is a deficient number, since it is larger than the sum of its proper divisors (8439).

5689561 is an equidigital number, since it uses as much as digits as its factorization.

5689561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438.

The product of its digits is 64800, while the sum is 40.

The square root of 5689561 is about 2385.2800674135. The cubic root of 5689561 is about 178.5224832866.

The spelling of 5689561 in words is "five million, six hundred eighty-nine thousand, five hundred sixty-one".