52266320 has 40 divisors (see below), whose sum is σ = 122718336. Its totient is φ = 20700288.

The previous prime is 52266307. The next prime is 52266329. The reversal of 52266320 is 2366225.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 52266320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52266329) 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 7 ways as a sum of consecutive naturals, for example, 5069 + ... + 11411.

Almost surely, 2^52266320 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 52266320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61359168).

52266320 is an abundant number, since it is smaller than the sum of its proper divisors (70452016).

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

52266320 is a wasteful number, since it uses less digits than its factorization.

52266320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 52266320 is about 7229.5449372696. The cubic root of 52266320 is about 373.8872375885.

The spelling of 52266320 in words is "fifty-two million, two hundred sixty-six thousand, three hundred twenty".