255513384 has 96 divisors (see below), whose sum is σ = 803936640. Its totient is φ = 71798400.

The previous prime is 255513373. The next prime is 255513389. The reversal of 255513384 is 483315552.

255513384 is a `hidden beast` number, since 25 + 551 + 3 + 3 + 84 = 666.

255513384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (255513389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26589 + ... + 34899.

It is an arithmetic number, because the mean of its divisors is an integer number (8374340).

Almost surely, 2^255513384 is an apocalyptic number.

255513384 is a gapful number since it is divisible by the number (24) 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 255513384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401968320).

255513384 is an abundant number, since it is smaller than the sum of its proper divisors (548423256).

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

255513384 is a wasteful number, since it uses less digits than its factorization.

255513384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391 (or 8384 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 255513384 is about 15984.7860167098. The cubic root of 255513384 is about 634.5578454194.

The spelling of 255513384 in words is "two hundred fifty-five million, five hundred thirteen thousand, three hundred eighty-four".