255404552 has 32 divisors (see below), whose sum is σ = 516763800. Its totient is φ = 117640704.

The previous prime is 255404531. The next prime is 255404573.

255404552 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (255404531) and next prime (255404573).

It can be written as a sum of positive squares in 4 ways, for example, as 55860676 + 199543876 = 7474^2 + 14126^2 .

It is a super-3 number, since 3×255404552³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55724 + ... + 60132.

Almost surely, 2^255404552 is an apocalyptic number.

It is an amenable number.

255404552 is an abundant number, since it is smaller than the sum of its proper divisors (261359248).

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

255404552 is a wasteful number, since it uses less digits than its factorization.

255404552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 255404552 is about 15981.3814171366. The cubic root of 255404552 is about 634.4677392369.

Adding to 255404552 its product of nonzero digits (40000), we get a palindrome (255444552).

The spelling of 255404552 in words is "two hundred fifty-five million, four hundred four thousand, five hundred fifty-two".