255532544 has 40 divisors (see below), whose sum is σ = 512277480. Its totient is φ = 127338496.

The previous prime is 255532523. The next prime is 255532549. The reversal of 255532544 is 445235552.

It is a super-2 number, since 2×255532544² = 130593762086223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255532549) 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 3 ways as a sum of consecutive naturals, for example, 198527 + ... + 199809.

It is an arithmetic number, because the mean of its divisors is an integer number (12806937).

Almost surely, 2^255532544 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 255532544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256138740).

255532544 is an abundant number, since it is smaller than the sum of its proper divisors (256744936).

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

255532544 is an equidigital number, since it uses as much as digits as its factorization.

255532544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1674 counting only the distinct ones).

The product of its digits is 120000, while the sum is 35.

The square root of 255532544 is about 15985.3853253527. The cubic root of 255532544 is about 634.5737060685.

The spelling of 255532544 in words is "two hundred fifty-five million, five hundred thirty-two thousand, five hundred forty-four".