552985 has 4 divisors (see below), whose sum is σ = 663588. Its totient is φ = 442384.

The previous prime is 552983. The next prime is 552991. The reversal of 552985 is 589255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589255 = 5 ⋅117851.

It can be written as a sum of positive squares in 2 ways, for example, as 295936 + 257049 = 544^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 552985 - 2¹ = 552983 is a prime.

It is a Duffinian number.

552985 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 552985.

It is not an unprimeable number, because it can be changed into a prime (552983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55294 + ... + 55303.

It is an arithmetic number, because the mean of its divisors is an integer number (165897).

2⁵⁵²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

552985 is a deficient number, since it is larger than the sum of its proper divisors (110603).

552985 is a wasteful number, since it uses less digits than its factorization.

552985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110602.

The product of its digits is 18000, while the sum is 34.

The square root of 552985 is about 743.6296121054. The cubic root of 552985 is about 82.0800823836.

It can be divided in two parts, 5529 and 85, that multiplied together give a triangular number (469965 = T₉₆₉).

The spelling of 552985 in words is "five hundred fifty-two thousand, nine hundred eighty-five".