552111209 has 32 divisors (see below), whose sum is σ = 635142144. Its totient is φ = 476331840.

The previous prime is 552111199. The next prime is 552111223. The reversal of 552111209 is 902111255.

It is not a de Polignac number, because 552111209 - 2⁸ = 552110953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (552111809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1950782 + ... + 1951064.

It is an arithmetic number, because the mean of its divisors is an integer number (19848192).

Almost surely, 2^552111209 is an apocalyptic number.

It is an amenable number.

552111209 is a deficient number, since it is larger than the sum of its proper divisors (83030935).

552111209 is a wasteful number, since it uses less digits than its factorization.

552111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 552111209 is about 23497.0468144403. The cubic root of 552111209 is about 820.3682705319.

The spelling of 552111209 in words is "five hundred fifty-two million, one hundred eleven thousand, two hundred nine".