552122609 has 4 divisors (see below), whose sum is σ = 554271204. Its totient is φ = 549974016.

The previous prime is 552122603. The next prime is 552122647. The reversal of 552122609 is 906221255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 545362609 + 6760000 = 23353^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 552122609 - 2⁸ = 552122353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552122603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073912 + ... + 1074425.

It is an arithmetic number, because the mean of its divisors is an integer number (138567801).

Almost surely, 2^552122609 is an apocalyptic number.

It is an amenable number.

552122609 is a deficient number, since it is larger than the sum of its proper divisors (2148595).

552122609 is a wasteful number, since it uses less digits than its factorization.

552122609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148594.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 552122609 is about 23497.2893968645. The cubic root of 552122609 is about 820.3739168183.

The spelling of 552122609 in words is "five hundred fifty-two million, one hundred twenty-two thousand, six hundred nine".