52521716 has 12 divisors (see below), whose sum is σ = 98983332. Its totient is φ = 24240768.

The previous prime is 52521709. The next prime is 52521727. The reversal of 52521716 is 61712525.

52521716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12250000 + 40271716 = 3500^2 + 6346^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 504965 + ... + 505068.

It is an arithmetic number, because the mean of its divisors is an integer number (8248611).

Almost surely, 2^52521716 is an apocalyptic number.

It is an amenable number.

52521716 is a deficient number, since it is larger than the sum of its proper divisors (46461616).

52521716 is a wasteful number, since it uses less digits than its factorization.

52521716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010050 (or 1010048 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 52521716 is about 7247.1867645315. The cubic root of 52521716 is about 374.4952402926.

The spelling of 52521716 in words is "fifty-two million, five hundred twenty-one thousand, seven hundred sixteen".