552623 has 4 divisors (see below), whose sum is σ = 555600. Its totient is φ = 549648.

The previous prime is 552611. The next prime is 552649. The reversal of 552623 is 326255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (138900).

2⁵⁵²⁶²³ is an apocalyptic number.

552623 is a deficient number, since it is larger than the sum of its proper divisors (2977).

552623 is a wasteful number, since it uses less digits than its factorization.

552623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its digits is 1800, while the sum is 23.

The square root of 552623 is about 743.3861715152. The cubic root of 552623 is about 82.0621678074.

Adding to 552623 its reverse (326255), we get a palindrome (878878).

The spelling of 552623 in words is "five hundred fifty-two thousand, six hundred twenty-three".