552805 has 24 divisors (see below), whose sum is σ = 796320. Its totient is φ = 364320.

The previous prime is 552793. The next prime is 552809. The reversal of 552805 is 508255.

552805 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 552805 - 2⁷ = 552677 is a prime.

552805 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 552805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552809) 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 23 ways as a sum of consecutive naturals, for example, 24024 + ... + 24046.

It is an arithmetic number, because the mean of its divisors is an integer number (33180).

2⁵⁵²⁸⁰⁵ is an apocalyptic number.

552805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552805 is a deficient number, since it is larger than the sum of its proper divisors (243515).

552805 is a wasteful number, since it uses less digits than its factorization.

552805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 552805 is about 743.5085742613. The cubic root of 552805 is about 82.0711755608.

The spelling of 552805 in words is "five hundred fifty-two thousand, eight hundred five".