5611771 has 8 divisors (see below), whose sum is σ = 6156288. Its totient is φ = 5073000.

The previous prime is 5611763. The next prime is 5611789. The reversal of 5611771 is 1771165.

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 5611771 - 2³ = 5611763 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5611721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (769536).

Almost surely, 2^5611771 is an apocalyptic number.

5611771 is a deficient number, since it is larger than the sum of its proper divisors (544517).

5611771 is a wasteful number, since it uses less digits than its factorization.

5611771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its digits is 1470, while the sum is 28.

The square root of 5611771 is about 2368.9176853576. The cubic root of 5611771 is about 177.7051361061.

Subtracting from 5611771 its reverse (1771165), we obtain a triangular number (3840606 = T₂₇₇₁).

It can be divided in two parts, 561 and 1771, that added together give a palindrome (2332).

The spelling of 5611771 in words is "five million, six hundred eleven thousand, seven hundred seventy-one".