255542560 has 96 divisors (see below), whose sum is σ = 743081472. Its totient is φ = 80870400.

The previous prime is 255542531. The next prime is 255542569. The reversal of 255542560 is 65245552.

It is not an unprimeable number, because it can be changed into a prime (255542569) 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 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 23335.

It is an arithmetic number, because the mean of its divisors is an integer number (7740432).

Almost surely, 2^255542560 is an apocalyptic number.

255542560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255542560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371540736).

255542560 is an abundant number, since it is smaller than the sum of its proper divisors (487538912).

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

255542560 is a wasteful number, since it uses less digits than its factorization.

255542560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17586 (or 17578 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 255542560 is about 15985.6986084437. The cubic root of 255542560 is about 634.5819969984.

The spelling of 255542560 in words is "two hundred fifty-five million, five hundred forty-two thousand, five hundred sixty".