255575455 has 8 divisors (see below), whose sum is σ = 307672272. Its totient is φ = 203805888.

The previous prime is 255575447. The next prime is 255575459. The reversal of 255575455 is 554575552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255575455 - 2³ = 255575447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255575459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80089 + ... + 83218.

It is an arithmetic number, because the mean of its divisors is an integer number (38459034).

Almost surely, 2^255575455 is an apocalyptic number.

255575455 is a deficient number, since it is larger than the sum of its proper divisors (52096817).

255575455 is a wasteful number, since it uses less digits than its factorization.

255575455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163625.

The product of its digits is 875000, while the sum is 43.

The square root of 255575455 is about 15986.7274637432. The cubic root of 255575455 is about 634.6092249210.

The spelling of 255575455 in words is "two hundred fifty-five million, five hundred seventy-five thousand, four hundred fifty-five".