552191809 has 16 divisors (see below), whose sum is σ = 618741760. Its totient is φ = 489343680.

The previous prime is 552191791. The next prime is 552191839. The reversal of 552191809 is 908191255.

It is not a de Polignac number, because 552191809 - 2¹³ = 552183617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552191839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45787 + ... + 56575.

It is an arithmetic number, because the mean of its divisors is an integer number (38671360).

Almost surely, 2^552191809 is an apocalyptic number.

It is an amenable number.

552191809 is a deficient number, since it is larger than the sum of its proper divisors (66549951).

552191809 is a wasteful number, since it uses less digits than its factorization.

552191809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 552191809 is about 23498.7618610003. The cubic root of 552191809 is about 820.4081890992.

The spelling of 552191809 in words is "five hundred fifty-two million, one hundred ninety-one thousand, eight hundred nine".