52913280 has 256 divisors, whose sum is σ = 200540160. Its totient is φ = 11612160.

The previous prime is 52913257. The next prime is 52913321. The reversal of 52913280 is 8231925.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 416577 + ... + 416703.

It is an arithmetic number, because the mean of its divisors is an integer number (783360).

Almost surely, 2^52913280 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 52913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100270080).

52913280 is an abundant number, since it is smaller than the sum of its proper divisors (147626880).

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

52913280 is a wasteful number, since it uses less digits than its factorization.

52913280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 52913280 is about 7274.1514969101. The cubic root of 52913280 is about 375.4235924494.

The spelling of 52913280 in words is "fifty-two million, nine hundred thirteen thousand, two hundred eighty".