255530064 has 40 divisors (see below), whose sum is σ = 665975232. Its totient is φ = 84421120.

The previous prime is 255530063. The next prime is 255530087. The reversal of 255530064 is 460035552.

It is a super-2 number, since 2×255530064² = 130591227215688192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530063) 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 7 ways as a sum of consecutive naturals, for example, 18132 + ... + 28979.

Almost surely, 2^255530064 is an apocalyptic number.

255530064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255530064 is an abundant number, since it is smaller than the sum of its proper divisors (410445168).

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

255530064 is a wasteful number, since it uses less digits than its factorization.

255530064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47235 (or 47229 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 255530064 is about 15985.3077543099. The cubic root of 255530064 is about 634.5716531691.

The spelling of 255530064 in words is "two hundred fifty-five million, five hundred thirty thousand, sixty-four".