552981 has 16 divisors (see below), whose sum is σ = 866880. Its totient is φ = 309120.

The previous prime is 552971. The next prime is 552983. The reversal of 552981 is 189255.

It is not a de Polignac number, because 552981 - 2⁶ = 552917 is a prime.

It is a super-2 number, since 2×552981² = 611575972722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 216 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (54180).

2⁵⁵²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

552981 is a deficient number, since it is larger than the sum of its proper divisors (313899).

552981 is a wasteful number, since it uses less digits than its factorization.

552981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its digits is 3600, while the sum is 30.

The square root of 552981 is about 743.6269225895. The cubic root of 552981 is about 82.0798844752.

The spelling of 552981 in words is "five hundred fifty-two thousand, nine hundred eighty-one".