52647730 has 32 divisors (see below), whose sum is σ = 96816384. Its totient is φ = 20608896.

The previous prime is 52647719. The next prime is 52647739. The reversal of 52647730 is 3774625.

It is a happy number.

52647730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52647739) 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 15 ways as a sum of consecutive naturals, for example, 113479 + ... + 113941.

It is an arithmetic number, because the mean of its divisors is an integer number (3025512).

Almost surely, 2^52647730 is an apocalyptic number.

52647730 is a deficient number, since it is larger than the sum of its proper divisors (44168654).

52647730 is a wasteful number, since it uses less digits than its factorization.

52647730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 52647730 is about 7255.8755502007. The cubic root of 52647730 is about 374.7945066731.

The spelling of 52647730 in words is "fifty-two million, six hundred forty-seven thousand, seven hundred thirty".