52406523 has 24 divisors (see below), whose sum is σ = 84156800. Its totient is φ = 31207680.

The previous prime is 52406521. The next prime is 52406537. The reversal of 52406523 is 32560425.

52406523 is a `hidden beast` number, since 5 + 2 + 4 + 0 + 652 + 3 = 666.

It is not a de Polignac number, because 52406523 - 2¹ = 52406521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52406521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3598 + ... + 10851.

Almost surely, 2^52406523 is an apocalyptic number.

52406523 is a deficient number, since it is larger than the sum of its proper divisors (31750277).

52406523 is a wasteful number, since it uses less digits than its factorization.

52406523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499 (or 14496 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52406523 is about 7239.2349733933. The cubic root of 52406523 is about 374.2212532622.

Adding to 52406523 its reverse (32560425), we get a palindrome (84966948).

The spelling of 52406523 in words is "fifty-two million, four hundred six thousand, five hundred twenty-three".