53522208 has 72 divisors (see below), whose sum is σ = 157863888. Its totient is φ = 17838144.

The previous prime is 53522207. The next prime is 53522267. The reversal of 53522208 is 80222535.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53522207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4335 + ... + 11217.

It is an arithmetic number, because the mean of its divisors is an integer number (2192554).

Almost surely, 2^53522208 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 53522208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78931944).

53522208 is an abundant number, since it is smaller than the sum of its proper divisors (104341680).

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

53522208 is an equidigital number, since it uses as much as digits as its factorization.

53522208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 53522208 is about 7315.8873692806. The cubic root of 53522208 is about 376.8582327136.

The spelling of 53522208 in words is "fifty-three million, five hundred twenty-two thousand, two hundred eight".