552131309 has 8 divisors (see below), whose sum is σ = 567848160. Its totient is φ = 536545296.

The previous prime is 552131303. The next prime is 552131311. The reversal of 552131309 is 903131255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552131309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552131303) 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, 24119 + ... + 41060.

It is an arithmetic number, because the mean of its divisors is an integer number (70981020).

Almost surely, 2^552131309 is an apocalyptic number.

It is an amenable number.

552131309 is a deficient number, since it is larger than the sum of its proper divisors (15716851).

552131309 is a wasteful number, since it uses less digits than its factorization.

552131309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65419.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 552131309 is about 23497.4745238717. The cubic root of 552131309 is about 820.3782257740.

The spelling of 552131309 in words is "five hundred fifty-two million, one hundred thirty-one thousand, three hundred nine".