5561559 has 6 divisors (see below), whose sum is σ = 8033376. Its totient is φ = 3707700.

The previous prime is 5561537. The next prime is 5561579. The reversal of 5561559 is 9551655.

It is not a de Polignac number, because 5561559 - 2²¹ = 3464407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308967 + ... + 308984.

It is an arithmetic number, because the mean of its divisors is an integer number (1338896).

Almost surely, 2^5561559 is an apocalyptic number.

5561559 is a deficient number, since it is larger than the sum of its proper divisors (2471817).

5561559 is a wasteful number, since it uses less digits than its factorization.

5561559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617957 (or 617954 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 5561559 is about 2358.2957829755. The cubic root of 5561559 is about 177.1735346813.

The spelling of 5561559 in words is "five million, five hundred sixty-one thousand, five hundred fifty-nine".