52606521 has 24 divisors (see below), whose sum is σ = 83123040. Its totient is φ = 31795200.

The previous prime is 52606513. The next prime is 52606537. The reversal of 52606521 is 12560625.

52606521 is a `hidden beast` number, since 5 + 2 + 6 + 0 + 652 + 1 = 666.

52606521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52606521 - 2³ = 52606513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52606571) 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 23 ways as a sum of consecutive naturals, for example, 68025 + ... + 68793.

It is an arithmetic number, because the mean of its divisors is an integer number (3463460).

Almost surely, 2^52606521 is an apocalyptic number.

It is an amenable number.

52606521 is a deficient number, since it is larger than the sum of its proper divisors (30516519).

52606521 is a wasteful number, since it uses less digits than its factorization.

52606521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52606521 is about 7253.0352956538. The cubic root of 52606521 is about 374.6966934131.

It can be divided in two parts, 5260 and 6521, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 52606521 in words is "fifty-two million, six hundred six thousand, five hundred twenty-one".