553020 has 48 divisors (see below), whose sum is σ = 1669920. Its totient is φ = 135936.

The previous prime is 553013. The next prime is 553037. The reversal of 553020 is 20355.

It is a super-2 number, since 2×553020² = 611662240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (34790).

2⁵⁵³⁰²⁰ 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 553020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834960).

553020 is an abundant number, since it is smaller than the sum of its proper divisors (1116900).

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

553020 is a wasteful number, since it uses less digits than its factorization.

553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 553020 is about 743.6531449540. The cubic root of 553020 is about 82.0818140414.

Adding to 553020 its reverse (20355), we get a palindrome (573375).

The spelling of 553020 in words is "five hundred fifty-three thousand, twenty".