255511812 has 24 divisors (see below), whose sum is σ = 596466976. Its totient is φ = 85131648.

The previous prime is 255511811. The next prime is 255511847. The reversal of 255511812 is 218115552.

255511812 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255511812.

It is not an unprimeable number, because it can be changed into a prime (255511811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36543 + ... + 42969.

Almost surely, 2^255511812 is an apocalyptic number.

It is an amenable number.

255511812 is an abundant number, since it is smaller than the sum of its proper divisors (340955164).

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

255511812 is a wasteful number, since it uses less digits than its factorization.

255511812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747 (or 9745 counting only the distinct ones).

The product of its digits is 4000, while the sum is 30.

The square root of 255511812 is about 15984.7368448780. The cubic root of 255511812 is about 634.5565440825.

The spelling of 255511812 in words is "two hundred fifty-five million, five hundred eleven thousand, eight hundred twelve".