553056 has 48 divisors (see below), whose sum is σ = 1661184. Its totient is φ = 157824.

The previous prime is 553051. The next prime is 553057. The reversal of 553056 is 650355.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553051) 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, 261 + ... + 1083.

It is an arithmetic number, because the mean of its divisors is an integer number (34608).

2⁵⁵³⁰⁵⁶ is an apocalyptic number.

553056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830592).

553056 is an abundant number, since it is smaller than the sum of its proper divisors (1108128).

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

553056 is a wasteful number, since it uses less digits than its factorization.

553056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 553056 is about 743.6773493929. The cubic root of 553056 is about 82.0835950988.

The spelling of 553056 in words is "five hundred fifty-three thousand, fifty-six".