553081168 has 40 divisors (see below), whose sum is σ = 1113111296. Its totient is φ = 265939200.

The previous prime is 553081153. The next prime is 553081169. The reversal of 553081168 is 861180355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553081169) 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, 77428 + ... + 84268.

Almost surely, 2^553081168 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 553081168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556555648).

553081168 is an abundant number, since it is smaller than the sum of its proper divisors (560030128).

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

553081168 is a wasteful number, since it uses less digits than its factorization.

553081168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 553081168 is about 23517.6777765153. The cubic root of 553081168 is about 820.8484020997.

The spelling of 553081168 in words is "five hundred fifty-three million, eighty-one thousand, one hundred sixty-eight".