552531989 has 8 divisors (see below), whose sum is σ = 597332640. Its totient is φ = 509303376.

The previous prime is 552531971. The next prime is 552531997. The reversal of 552531989 is 989135255.

552531989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 552531989 - 2²⁴ = 535754773 is a prime.

It is a super-2 number, since 2×552531989² = 610583197736592242, 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 (552531929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392279 + ... + 393684.

It is an arithmetic number, because the mean of its divisors is an integer number (74666580).

Almost surely, 2^552531989 is an apocalyptic number.

It is an amenable number.

552531989 is a deficient number, since it is larger than the sum of its proper divisors (44800651).

552531989 is a wasteful number, since it uses less digits than its factorization.

552531989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786019.

The product of its digits is 486000, while the sum is 47.

The square root of 552531989 is about 23505.9990002552. Note that the first 3 decimals coincide. The cubic root of 552531989 is about 820.5766264441.

Adding to 552531989 its sum of digits (47), we get a square (552532036 = 23506²).

The spelling of 552531989 in words is "five hundred fifty-two million, five hundred thirty-one thousand, nine hundred eighty-nine".