255005056 has 16 divisors (see below), whose sum is σ = 508018140. Its totient is φ = 127502464.

The previous prime is 255005053. The next prime is 255005057. The reversal of 255005056 is 650500552.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255005053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995986 + ... + 996241.

Almost surely, 2^255005056 is an apocalyptic number.

It is an amenable number.

255005056 is a deficient number, since it is larger than the sum of its proper divisors (253013084).

255005056 is an equidigital number, since it uses as much as digits as its factorization.

255005056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992241 (or 1992229 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 255005056 is about 15968.8777313874. The cubic root of 255005056 is about 634.1367615883.

It can be divided in two parts, 25500505 and 6, that added together give a triangular number (25500511 = T₇₁₄₁).

The spelling of 255005056 in words is "two hundred fifty-five million, five thousand, fifty-six".