552961 has 4 divisors (see below), whose sum is σ = 554800. Its totient is φ = 551124.

The previous prime is 552917. The next prime is 552971. The reversal of 552961 is 169255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169255 = 5 ⋅33851.

It is a cyclic number.

It is not a de Polignac number, because 552961 - 2⁷ = 552833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (138700).

It is a Proth number, since it is equal to 135 ⋅ 2¹² + 1 and 135 < 2¹².

2⁵⁵²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

552961 is a deficient number, since it is larger than the sum of its proper divisors (1839).

552961 is a wasteful number, since it uses less digits than its factorization.

552961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 2700, while the sum is 28.

The square root of 552961 is about 743.6134748645. The cubic root of 552961 is about 82.0788949189.

The spelling of 552961 in words is "five hundred fifty-two thousand, nine hundred sixty-one".