52208269 has 4 divisors (see below), whose sum is σ = 52295740. Its totient is φ = 52120800.

The previous prime is 52208267. The next prime is 52208281. The reversal of 52208269 is 96280225.

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 31505769 + 20702500 = 5613^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 52208269 - 2¹ = 52208267 is a prime.

It is a super-2 number, since 2×52208269² = 5451406703952722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208267) 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, 42834 + ... + 44035.

It is an arithmetic number, because the mean of its divisors is an integer number (13073935).

Almost surely, 2^52208269 is an apocalyptic number.

It is an amenable number.

52208269 is a deficient number, since it is larger than the sum of its proper divisors (87471).

52208269 is an equidigital number, since it uses as much as digits as its factorization.

52208269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87470.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 52208269 is about 7225.5289771753. The cubic root of 52208269 is about 373.7487636563.

The spelling of 52208269 in words is "fifty-two million, two hundred eight thousand, two hundred sixty-nine".