551286256 has 20 divisors (see below), whose sum is σ = 1078102872. Its totient is φ = 273066176.

The previous prime is 551286191. The next prime is 551286257. The reversal of 551286256 is 652682155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551286257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159295 + ... + 162718.

Almost surely, 2^551286256 is an apocalyptic number.

It is an amenable number.

551286256 is a deficient number, since it is larger than the sum of its proper divisors (526816616).

551286256 is a wasteful number, since it uses less digits than its factorization.

551286256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322128 (or 322122 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 551286256 is about 23479.4858546775. The cubic root of 551286256 is about 819.9594744993.

The spelling of 551286256 in words is "five hundred fifty-one million, two hundred eighty-six thousand, two hundred fifty-six".