5771556 has 72 divisors (see below), whose sum is σ = 17151680. Its totient is φ = 1601856.

The previous prime is 5771543. The next prime is 5771567. The reversal of 5771556 is 6551775.

It is a super-2 number, since 2×5771556² = 66621717322272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 5³ + 7³ + 7⁸ + 1 + 5⁵ + 5⁵ + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 5771556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9015 + ... + 9633.

Almost surely, 2^5771556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5771556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8575840).

5771556 is an abundant number, since it is smaller than the sum of its proper divisors (11380124).

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

5771556 is a wasteful number, since it uses less digits than its factorization.

5771556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 5771556 is about 2402.4062936980. The cubic root of 5771556 is about 179.3759873604.

The spelling of 5771556 in words is "five million, seven hundred seventy-one thousand, five hundred fifty-six".