52208208 has 90 divisors (see below), whose sum is σ = 158297594. Its totient is φ = 15967872.

The previous prime is 52208197. The next prime is 52208227. The reversal of 52208208 is 80280225.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 16064064 = 6012^2 + 4008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 312541 + ... + 312707.

Almost surely, 2^52208208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52208208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79148797).

52208208 is an abundant number, since it is smaller than the sum of its proper divisors (106089386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52208208 is a wasteful number, since it uses less digits than its factorization.

52208208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 52208208 is about 7225.5247560298. The cubic root of 52208208 is about 373.7486180939.

The spelling of 52208208 in words is "fifty-two million, two hundred eight thousand, two hundred eight".