255533610549 has 8 divisors (see below), whose sum is σ = 389384549440. Its totient is φ = 146019206016.

The previous prime is 255533610539. The next prime is 255533610583. The reversal of 255533610549 is 945016335552.

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

It is not a de Polignac number, because 255533610549 - 2⁹ = 255533610037 is a prime.

It is a super-2 number, since 2×255533610549² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255533610498 and 255533610507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255533610539) 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, 6084133564 + ... + 6084133605.

It is an arithmetic number, because the mean of its divisors is an integer number (48673068680).

Almost surely, 2^255533610549 is an apocalyptic number.

It is an amenable number.

255533610549 is a deficient number, since it is larger than the sum of its proper divisors (133850938891).

255533610549 is a wasteful number, since it uses less digits than its factorization.

255533610549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168267179.

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 255533610549 in words is "two hundred fifty-five billion, five hundred thirty-three million, six hundred ten thousand, five hundred forty-nine".