552621 has 8 divisors (see below), whose sum is σ = 768960. Its totient is φ = 352352.

The previous prime is 552611. The next prime is 552649. The reversal of 552621 is 126255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 552621 - 2⁵ = 552589 is a prime.

552621 is a modest number, since divided by 621 gives 552 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3936 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (96120).

2⁵⁵²⁶²¹ is an apocalyptic number.

It is an amenable number.

552621 is a deficient number, since it is larger than the sum of its proper divisors (216339).

552621 is a wasteful number, since it uses less digits than its factorization.

552621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035.

The product of its digits is 600, while the sum is 21.

The square root of 552621 is about 743.3848263181. The cubic root of 552621 is about 82.0620688101.

Adding to 552621 its reverse (126255), we get a palindrome (678876).

The spelling of 552621 in words is "five hundred fifty-two thousand, six hundred twenty-one".