255553224 has 32 divisors (see below), whose sum is σ = 643554720. Its totient is φ = 84561536.

The previous prime is 255553219. The next prime is 255553279. The reversal of 255553224 is 422355552.

255553224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35574 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (20111085).

Almost surely, 2^255553224 is an apocalyptic number.

255553224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255553224 is an abundant number, since it is smaller than the sum of its proper divisors (388001496).

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

255553224 is a wasteful number, since it uses less digits than its factorization.

255553224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77869 (or 77865 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 255553224 is about 15986.0321531017. The cubic root of 255553224 is about 634.5908240842.

The spelling of 255553224 in words is "two hundred fifty-five million, five hundred fifty-three thousand, two hundred twenty-four".