553620 has 24 divisors (see below), whose sum is σ = 1550304. Its totient is φ = 147616.

The previous prime is 553607. The next prime is 553627. The reversal of 553620 is 26355.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553620.

It is not an unprimeable number, because it can be changed into a prime (553627) by changing a digit.

553620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4554 + ... + 4673.

It is an arithmetic number, because the mean of its divisors is an integer number (64596).

2⁵⁵³⁶²⁰ is an apocalyptic number.

It is an amenable number.

553620 is an abundant number, since it is smaller than the sum of its proper divisors (996684).

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

553620 is a wasteful number, since it uses less digits than its factorization.

553620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239 (or 9237 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 553620 is about 744.0564494714. The cubic root of 553620 is about 82.1114882473. Note that the first 3 decimals are identical.

Adding to 553620 its reverse (26355), we get a palindrome (579975).

The spelling of 553620 in words is "five hundred fifty-three thousand, six hundred twenty".