255555330 has 32 divisors (see below), whose sum is σ = 613872000. Its totient is φ = 68088192.

The previous prime is 255555281. The next prime is 255555361. The reversal of 255555330 is 33555552.

It is a junction number, because it is equal to n+sod(n) for n = 255555291 and 255555300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38926 + ... + 45014.

It is an arithmetic number, because the mean of its divisors is an integer number (19183500).

Almost surely, 2^255555330 is an apocalyptic number.

255555330 is an abundant number, since it is smaller than the sum of its proper divisors (358316670).

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

255555330 is a wasteful number, since it uses less digits than its factorization.

255555330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498.

The product of its (nonzero) digits is 56250, while the sum is 33.

The square root of 255555330 is about 15986.0980229698. The cubic root of 255555330 is about 634.5925672887.

The spelling of 255555330 in words is "two hundred fifty-five million, five hundred fifty-five thousand, three hundred thirty".