255775533 has 16 divisors (see below), whose sum is σ = 367575936. Its totient is φ = 157268160.

The previous prime is 255775519. The next prime is 255775537. The reversal of 255775533 is 335577552.

It is not a de Polignac number, because 255775533 - 2⁹ = 255775021 is a prime.

It is a super-3 number, since 3×255775533³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255775537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66016 + ... + 69782.

It is an arithmetic number, because the mean of its divisors is an integer number (22973496).

Almost surely, 2^255775533 is an apocalyptic number.

It is an amenable number.

255775533 is a deficient number, since it is larger than the sum of its proper divisors (111800403).

255775533 is a wasteful number, since it uses less digits than its factorization.

255775533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524.

The product of its digits is 551250, while the sum is 42.

The square root of 255775533 is about 15992.9838679341. The cubic root of 255775533 is about 634.7747836280.

The spelling of 255775533 in words is "two hundred fifty-five million, seven hundred seventy-five thousand, five hundred thirty-three".