52800720 has 160 divisors (see below), whose sum is σ = 190916352. Its totient is φ = 11821056.

The previous prime is 52800703. The next prime is 52800731. The reversal of 52800720 is 2700825.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88744 + ... + 89336.

Almost surely, 2^52800720 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 52800720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95458176).

52800720 is an abundant number, since it is smaller than the sum of its proper divisors (138115632).

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

52800720 is a wasteful number, since it uses less digits than its factorization.

52800720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 52800720 is about 7266.4103930345. The cubic root of 52800720 is about 375.1571963179.

The spelling of 52800720 in words is "fifty-two million, eight hundred thousand, seven hundred twenty".