552551 has 4 divisors (see below), whose sum is σ = 585072. Its totient is φ = 520032.

The previous prime is 552527. The next prime is 552553. The reversal of 552551 is 155255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155255 = 5 ⋅31051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552553) 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 3 ways as a sum of consecutive naturals, for example, 16235 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (146268).

2⁵⁵²⁵⁵¹ is an apocalyptic number.

552551 is a deficient number, since it is larger than the sum of its proper divisors (32521).

552551 is a wasteful number, since it uses less digits than its factorization.

552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32520.

The product of its digits is 1250, while the sum is 23.

The square root of 552551 is about 743.3377428868. The cubic root of 552551 is about 82.0586037545.

The spelling of 552551 in words is "five hundred fifty-two thousand, five hundred fifty-one".