53530523 has 4 divisors (see below), whose sum is σ = 54437880. Its totient is φ = 52623168.

The previous prime is 53530511. The next prime is 53530531. The reversal of 53530523 is 32503535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53530523 - 2¹⁰ = 53529499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53530492 and 53530501.

It is not an unprimeable number, because it can be changed into a prime (53530423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453590 + ... + 453707.

It is an arithmetic number, because the mean of its divisors is an integer number (13609470).

Almost surely, 2^53530523 is an apocalyptic number.

53530523 is a deficient number, since it is larger than the sum of its proper divisors (907357).

53530523 is an equidigital number, since it uses as much as digits as its factorization.

53530523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907356.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 53530523 is about 7316.4556309732. The cubic root of 53530523 is about 376.8777474413.

The spelling of 53530523 in words is "fifty-three million, five hundred thirty thousand, five hundred twenty-three".