5561711 has 4 divisors (see below), whose sum is σ = 5605632. Its totient is φ = 5517792.

The previous prime is 5561701. The next prime is 5561713. The reversal of 5561711 is 1171655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1171655 = 5 ⋅234331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561713) 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, 21770 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (1401408).

Almost surely, 2^5561711 is an apocalyptic number.

5561711 is a deficient number, since it is larger than the sum of its proper divisors (43921).

5561711 is a wasteful number, since it uses less digits than its factorization.

5561711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43920.

The product of its digits is 1050, while the sum is 26.

The square root of 5561711 is about 2358.3280094168. The cubic root of 5561711 is about 177.1751487450.

The spelling of 5561711 in words is "five million, five hundred sixty-one thousand, seven hundred eleven".