52757320 has 96 divisors (see below), whose sum is σ = 150698880. Its totient is φ = 16437120.

The previous prime is 52757213. The next prime is 52757323. The reversal of 52757320 is 2375725.

It is not an unprimeable number, because it can be changed into a prime (52757323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20337 + ... + 22783.

It is an arithmetic number, because the mean of its divisors is an integer number (1569780).

Almost surely, 2^52757320 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 52757320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75349440).

52757320 is an abundant number, since it is smaller than the sum of its proper divisors (97941560).

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

52757320 is a wasteful number, since it uses less digits than its factorization.

52757320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 52757320 is about 7263.4234352680. The cubic root of 52757320 is about 375.0543802619.

The spelling of 52757320 in words is "fifty-two million, seven hundred fifty-seven thousand, three hundred twenty".