553553856 has 168 divisors, whose sum is σ = 1695907200. Its totient is φ = 172247040.

The previous prime is 553553851. The next prime is 553553863. The reversal of 553553856 is 658355355.

553553856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553553851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517290 + ... + 518358.

Almost surely, 2^553553856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553553856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847953600).

553553856 is an abundant number, since it is smaller than the sum of its proper divisors (1142353344).

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

553553856 is a wasteful number, since it uses less digits than its factorization.

553553856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1134 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

The square root of 553553856 is about 23527.7252619117. The cubic root of 553553856 is about 821.0821801470.

The spelling of 553553856 in words is "five hundred fifty-three million, five hundred fifty-three thousand, eight hundred fifty-six".