5955755581 has 2 divisors, whose sum is σ = 5955755582. Its totient is φ = 5955755580.

The previous prime is 5955755567. The next prime is 5955755621. The reversal of 5955755581 is 1855575595.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5704025625 + 251729956 = 75525^2 + 15866^2 .

It is a cyclic number.

It is not a de Polignac number, because 5955755581 - 2¹⁵ = 5955722813 is a prime.

It is a super-2 number, since 2×5955755581² = 70942049081225295122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5955755501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977877790 + 2977877791.

It is an arithmetic number, because the mean of its divisors is an integer number (2977877791).

Almost surely, 2^5955755581 is an apocalyptic number.

It is an amenable number.

5955755581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5955755581 is an equidigital number, since it uses as much as digits as its factorization.

5955755581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7875000, while the sum is 55.

The square root of 5955755581 is about 77173.5419752132. The cubic root of 5955755581 is about 1812.6430440954.

It can be divided in two parts, 595575 and 5581, that added together give a triangular number (601156 = T₁₀₉₆).

The spelling of 5955755581 in words is "five billion, nine hundred fifty-five million, seven hundred fifty-five thousand, five hundred eighty-one".