52780332 has 24 divisors (see below), whose sum is σ = 134350272. Its totient is φ = 15994000.

The previous prime is 52780327. The next prime is 52780333. The reversal of 52780332 is 23308725.

52780332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52780332.

It is not an unprimeable number, because it can be changed into a prime (52780333) 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 7 ways as a sum of consecutive naturals, for example, 199794 + ... + 200057.

It is an arithmetic number, because the mean of its divisors is an integer number (5597928).

Almost surely, 2^52780332 is an apocalyptic number.

It is an amenable number.

52780332 is an abundant number, since it is smaller than the sum of its proper divisors (81569940).

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

52780332 is a wasteful number, since it uses less digits than its factorization.

52780332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399869 (or 399867 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 52780332 is about 7265.0073640706. The cubic root of 52780332 is about 375.1089034815.

The spelling of 52780332 in words is "fifty-two million, seven hundred eighty thousand, three hundred thirty-two".