52208917361 has 4 divisors (see below), whose sum is σ = 52795534500. Its totient is φ = 51622300224.

The previous prime is 52208917333. The next prime is 52208917427. The reversal of 52208917361 is 16371980225.

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 37362957025 + 14845960336 = 193295^2 + 121844^2 .

It is a cyclic number.

It is not a de Polignac number, because 52208917361 - 2¹⁰ = 52208916337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52208917331) 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, 293308436 + ... + 293308613.

It is an arithmetic number, because the mean of its divisors is an integer number (13198883625).

Almost surely, 2^52208917361 is an apocalyptic number.

It is an amenable number.

52208917361 is a deficient number, since it is larger than the sum of its proper divisors (586617139).

52208917361 is an equidigital number, since it uses as much as digits as its factorization.

52208917361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586617138.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 52208917361 in words is "fifty-two billion, two hundred eight million, nine hundred seventeen thousand, three hundred sixty-one".