255506428 has 12 divisors (see below), whose sum is σ = 455573160. Its totient is φ = 125342672.

The previous prime is 255506417. The next prime is 255506431. The reversal of 255506428 is 824605552.

255506428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602398 + ... + 602821.

It is an arithmetic number, because the mean of its divisors is an integer number (37964430).

Almost surely, 2^255506428 is an apocalyptic number.

It is an amenable number.

255506428 is a deficient number, since it is larger than the sum of its proper divisors (200066732).

255506428 is a wasteful number, since it uses less digits than its factorization.

255506428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205276 (or 1205274 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 255506428 is about 15984.5684333359. The cubic root of 255506428 is about 634.5520870459.

The spelling of 255506428 in words is "two hundred fifty-five million, five hundred six thousand, four hundred twenty-eight".