552561 has 4 divisors (see below), whose sum is σ = 736752. Its totient is φ = 368372.

The previous prime is 552553. The next prime is 552581. The reversal of 552561 is 165255.

552561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 552561 - 2³ = 552553 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552561.

It is not an unprimeable number, because it can be changed into a prime (552511) 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, 92091 + ... + 92096.

It is an arithmetic number, because the mean of its divisors is an integer number (184188).

2⁵⁵²⁵⁶¹ is an apocalyptic number.

It is an amenable number.

552561 is a deficient number, since it is larger than the sum of its proper divisors (184191).

552561 is a wasteful number, since it uses less digits than its factorization.

552561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184190.

The product of its digits is 1500, while the sum is 24.

The square root of 552561 is about 743.3444692738. The cubic root of 552561 is about 82.0590987804.

The spelling of 552561 in words is "five hundred fifty-two thousand, five hundred sixty-one".