255533283009 has 15 divisors (see below), whose sum is σ = 381729354897. Its totient is φ = 170352488988.

The previous prime is 255533283007. The next prime is 255533283017. The reversal of 255533283009 is 900382335552.

The square root of 255533283009 is 505503.

It is a perfect power (a square), and thus also a powerful number.

255533283009 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 332 + 8 + 300 + 9 = 666.

It is not a de Polignac number, because 255533283009 - 2¹ = 255533283007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255533283007) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4521444 + ... + 4577610.

Almost surely, 2^255533283009 is an apocalyptic number.

255533283009 is the 505503-rd square number.

255533283009 is the 252752-nd centered octagonal number.

It is an amenable number.

255533283009 is a deficient number, since it is larger than the sum of its proper divisors (126196071888).

255533283009 is an frugal number, since it uses more digits than its factorization.

255533283009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112346 (or 56170 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 255533283009 in words is "two hundred fifty-five billion, five hundred thirty-three million, two hundred eighty-three thousand, nine".