52307280 has 60 divisors (see below), whose sum is σ = 175667700. Its totient is φ = 13948416.

The previous prime is 52307273. The next prime is 52307291. The reversal of 52307280 is 8270325.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 35856144 = 4056^2 + 5988^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35605 + ... + 37044.

It is an arithmetic number, because the mean of its divisors is an integer number (2927795).

Almost surely, 2^52307280 is an apocalyptic number.

It is an amenable number.

52307280 is an abundant number, since it is smaller than the sum of its proper divisors (123360420).

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

52307280 is a wasteful number, since it uses less digits than its factorization.

52307280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72668 (or 72659 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52307280 is about 7232.3772025524. The cubic root of 52307280 is about 373.9848812366.

The spelling of 52307280 in words is "fifty-two million, three hundred seven thousand, two hundred eighty".