52472320 has 80 divisors (see below), whose sum is σ = 127670400. Its totient is φ = 20680704.

The previous prime is 52472317. The next prime is 52472359. The reversal of 52472320 is 2327425.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263581 + ... + 263779.

It is an arithmetic number, because the mean of its divisors is an integer number (1595880).

Almost surely, 2^52472320 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 52472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63835200).

52472320 is an abundant number, since it is smaller than the sum of its proper divisors (75198080).

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

52472320 is a wasteful number, since it uses less digits than its factorization.

52472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 52472320 is about 7243.7780197905. The cubic root of 52472320 is about 374.3778008120.

Adding to 52472320 its reverse (2327425), we get a palindrome (54799745).

The spelling of 52472320 in words is "fifty-two million, four hundred seventy-two thousand, three hundred twenty".