552630 has 48 divisors (see below), whose sum is σ = 1449360. Its totient is φ = 134784.

The previous prime is 552611. The next prime is 552649. The reversal of 552630 is 36255.

It is an interprime number because it is at equal distance from previous prime (552611) and next prime (552649).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 552597 and 552606.

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 552630.

It is an unprimeable number.

552630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5016 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (30195).

2⁵⁵²⁶³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724680).

552630 is an abundant number, since it is smaller than the sum of its proper divisors (896730).

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

552630 is a wasteful number, since it uses less digits than its factorization.

552630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

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

The square root of 552630 is about 743.3908796858. The cubic root of 552630 is about 82.0625142960.

Adding to 552630 its reverse (36255), we get a palindrome (588885).

The spelling of 552630 in words is "five hundred fifty-two thousand, six hundred thirty".