553681818452 has 18 divisors (see below), whose sum is σ = 1127137987962. Its totient is φ = 237292207824.

The previous prime is 553681818449. The next prime is 553681818467. The reversal of 553681818452 is 254818186355.

It can be written as a sum of positive squares in only one way, i.e., 278262580036 + 275419238416 = 527506^2 + 524804^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1412453423 + ... + 1412453814.

It is an arithmetic number, because the mean of its divisors is an integer number (62618777109).

Almost surely, 2^553681818452 is an apocalyptic number.

It is an amenable number.

553681818452 is an abundant number, since it is smaller than the sum of its proper divisors (573456169510).

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

553681818452 is a wasteful number, since it uses less digits than its factorization.

553681818452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824907255 (or 2824907246 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 56.

The spelling of 553681818452 in words is "five hundred fifty-three billion, six hundred eighty-one million, eight hundred eighteen thousand, four hundred fifty-two".