5755581 has 12 divisors (see below), whose sum is σ = 8953308. Its totient is φ = 3541824.

The previous prime is 5755579. The next prime is 5755583. The reversal of 5755581 is 1855575.

5755581 is a `hidden beast` number, since 5 + 75 + 5 + 581 = 666.

It is an interprime number because it is at equal distance from previous prime (5755579) and next prime (5755583).

It can be written as a sum of positive squares in 2 ways, for example, as 1988100 + 3767481 = 1410^2 + 1941^2 .

It is not a de Polignac number, because 5755581 - 2¹ = 5755579 is a prime.

It is a super-2 number, since 2×5755581² = 66253425295122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5755583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24480 + ... + 24713.

It is an arithmetic number, because the mean of its divisors is an integer number (746109).

Almost surely, 2^5755581 is an apocalyptic number.

It is an amenable number.

5755581 is a deficient number, since it is larger than the sum of its proper divisors (3197727).

5755581 is a wasteful number, since it uses less digits than its factorization.

5755581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49212 (or 49209 counting only the distinct ones).

The product of its digits is 35000, while the sum is 36.

The square root of 5755581 is about 2399.0791983592. The cubic root of 5755581 is about 179.2103370983.

It can be divided in two parts, 5755 and 581, that added together give a palindrome (6336).

The spelling of 5755581 in words is "five million, seven hundred fifty-five thousand, five hundred eighty-one".