52920320 has 128 divisors (see below), whose sum is σ = 141555600. Its totient is φ = 18874368.

The previous prime is 52920313. The next prime is 52920349. The reversal of 52920320 is 2302925.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785271 + ... + 2785289.

Almost surely, 2^52920320 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 52920320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70777800).

52920320 is an abundant number, since it is smaller than the sum of its proper divisors (88635280).

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

52920320 is an equidigital number, since it uses as much as digits as its factorization.

52920320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 52920320 is about 7274.6353860520. The cubic root of 52920320 is about 375.4402414828.

The spelling of 52920320 in words is "fifty-two million, nine hundred twenty thousand, three hundred twenty".