255506364 has 18 divisors (see below), whose sum is σ = 645863400. Its totient is φ = 85168776.

The previous prime is 255506299. The next prime is 255506399. The reversal of 255506364 is 463605552.

It is a happy number.

255506364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7097399 = 255506364 / (2 + 5 + 5 + 5 + 0 + 6 + 3 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3548664 + ... + 3548735.

It is an arithmetic number, because the mean of its divisors is an integer number (35881300).

Almost surely, 2^255506364 is an apocalyptic number.

It is an amenable number.

255506364 is an abundant number, since it is smaller than the sum of its proper divisors (390357036).

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

255506364 is a wasteful number, since it uses less digits than its factorization.

255506364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097409 (or 7097404 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 255506364 is about 15984.5664314050. The cubic root of 255506364 is about 634.5520340645.

The spelling of 255506364 in words is "two hundred fifty-five million, five hundred six thousand, three hundred sixty-four".