53306523 has 12 divisors (see below), whose sum is σ = 77068680. Its totient is φ = 35505216.

The previous prime is 53306503. The next prime is 53306527. The reversal of 53306523 is 32560335.

53306523 is a `hidden beast` number, since 5 + 3 + 3 + 0 + 652 + 3 = 666.

It is not a de Polignac number, because 53306523 - 2¹² = 53302427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53306527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11763 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (6422390).

Almost surely, 2^53306523 is an apocalyptic number.

53306523 is a deficient number, since it is larger than the sum of its proper divisors (23762157).

53306523 is a wasteful number, since it uses less digits than its factorization.

53306523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53306523 is about 7301.1316246182. The cubic root of 53306523 is about 376.3513272565.

Adding to 53306523 its reverse (32560335), we get a palindrome (85866858).

The spelling of 53306523 in words is "fifty-three million, three hundred six thousand, five hundred twenty-three".