5791566 has 16 divisors (see below), whose sum is σ = 12636288. Its totient is φ = 1755000.

The previous prime is 5791549. The next prime is 5791567. The reversal of 5791566 is 6651975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5791567) 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, 43810 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (789768).

Almost surely, 2^5791566 is an apocalyptic number.

5791566 is an abundant number, since it is smaller than the sum of its proper divisors (6844722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5791566 is a wasteful number, since it uses less digits than its factorization.

5791566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87767.

The product of its digits is 56700, while the sum is 39.

The square root of 5791566 is about 2406.5672647986. The cubic root of 5791566 is about 179.5830472604.

It can be divided in two parts, 579 and 1566, that added together give a triangular number (2145 = T₆₅).

The spelling of 5791566 in words is "five million, seven hundred ninety-one thousand, five hundred sixty-six".