255566233 has 8 divisors (see below), whose sum is σ = 276915968. Its totient is φ = 234458064.

The previous prime is 255566189. The next prime is 255566261. The reversal of 255566233 is 332665552.

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 255566233 - 2¹³ = 255558041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255566192 and 255566201.

It is not an unprimeable number, because it can be changed into a prime (255566273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58185 + ... + 62422.

It is an arithmetic number, because the mean of its divisors is an integer number (34614496).

Almost surely, 2^255566233 is an apocalyptic number.

It is an amenable number.

255566233 is a deficient number, since it is larger than the sum of its proper divisors (21349735).

255566233 is a wasteful number, since it uses less digits than its factorization.

255566233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120783.

The product of its digits is 162000, while the sum is 37.

The square root of 255566233 is about 15986.4390343816. The cubic root of 255566233 is about 634.6015919023.

The spelling of 255566233 in words is "two hundred fifty-five million, five hundred sixty-six thousand, two hundred thirty-three".