52115280 has 160 divisors (see below), whose sum is σ = 187797504. Its totient is φ = 11708928.

The previous prime is 52115209. The next prime is 52115281. The reversal of 52115280 is 8251125.

52115280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52115280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112329 + ... + 112791.

Almost surely, 2^52115280 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 52115280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93898752).

52115280 is an abundant number, since it is smaller than the sum of its proper divisors (135682224).

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

52115280 is a wasteful number, since it uses less digits than its factorization.

52115280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 52115280 is about 7219.0913555655. The cubic root of 52115280 is about 373.5267351102.

The spelling of 52115280 in words is "fifty-two million, one hundred fifteen thousand, two hundred eighty".