255121552 has 20 divisors (see below), whose sum is σ = 564912256. Its totient is φ = 109337760.

The previous prime is 255121547. The next prime is 255121553.

255121552 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 255121552.

It is not an unprimeable number, because it can be changed into a prime (255121553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138824 + ... + 1139047.

Almost surely, 2^255121552 is an apocalyptic number.

It is an amenable number.

255121552 is an abundant number, since it is smaller than the sum of its proper divisors (309790704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255121552 is a wasteful number, since it uses less digits than its factorization.

255121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277886 (or 2277880 counting only the distinct ones).

The product of its digits is 5000, while the sum is 28.

The square root of 255121552 is about 15972.5249099821. The cubic root of 255121552 is about 634.2333128105.

The spelling of 255121552 in words is "two hundred fifty-five million, one hundred twenty-one thousand, five hundred fifty-two".