52316280 has 160 divisors (see below), whose sum is σ = 179205840. Its totient is φ = 13685760.

The previous prime is 52316233. The next prime is 52316281. The reversal of 52316280 is 8261325.

52316280 is a `hidden beast` number, since 5 + 2 + 31 + 628 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52316281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 216960 + ... + 217200.

Almost surely, 2^52316280 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 52316280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89602920).

52316280 is an abundant number, since it is smaller than the sum of its proper divisors (126889560).

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

52316280 is a wasteful number, since it uses less digits than its factorization.

52316280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52316280 is about 7232.9993778515. Note that the first 3 decimals coincide. The cubic root of 52316280 is about 374.0063293085.

It can be divided in two parts, 5231 and 6280, that added together give a palindrome (11511).

The spelling of 52316280 in words is "fifty-two million, three hundred sixteen thousand, two hundred eighty".