5785561 has 8 divisors (see below), whose sum is σ = 6009344. Its totient is φ = 5564160.

The previous prime is 5785553. The next prime is 5785589. The reversal of 5785561 is 1655875.

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

It is a cyclic number.

It is not a de Polignac number, because 5785561 - 2³ = 5785553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5785561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5785501) 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, 5500 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (751168).

Almost surely, 2^5785561 is an apocalyptic number.

It is an amenable number.

5785561 is a deficient number, since it is larger than the sum of its proper divisors (223783).

5785561 is a wasteful number, since it uses less digits than its factorization.

5785561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 42000, while the sum is 37.

The square root of 5785561 is about 2405.3193135216. The cubic root of 5785561 is about 179.5209587495.

The spelling of 5785561 in words is "five million, seven hundred eighty-five thousand, five hundred sixty-one".