755605566 has 48 divisors (see below), whose sum is σ = 1752566400. Its totient is φ = 234561744.

The previous prime is 755605541. The next prime is 755605567. The reversal of 755605566 is 665506557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755605567) 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 23 ways as a sum of consecutive naturals, for example, 1455 + ... + 38901.

It is an arithmetic number, because the mean of its divisors is an integer number (36511800).

Almost surely, 2^755605566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755605566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876283200).

755605566 is an abundant number, since it is smaller than the sum of its proper divisors (996960834).

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

755605566 is a wasteful number, since it uses less digits than its factorization.

755605566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37533 (or 37530 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The square root of 755605566 is about 27488.2805209784. The cubic root of 755605566 is about 910.8182335870.

Subtracting from 755605566 its reverse (665506557), we obtain a palindrome (90099009).

The spelling of 755605566 in words is "seven hundred fifty-five million, six hundred five thousand, five hundred sixty-six".