53245523 has 4 divisors (see below), whose sum is σ = 53301000. Its totient is φ = 53190048.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245523 is 32554235.

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 53245523 - 2¹² = 53241427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53245573) 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, 26273 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (13325250).

Almost surely, 2^53245523 is an apocalyptic number.

53245523 is a deficient number, since it is larger than the sum of its proper divisors (55477).

53245523 is an equidigital number, since it uses as much as digits as its factorization.

53245523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55476.

The product of its digits is 18000, while the sum is 29.

The square root of 53245523 is about 7296.9529942299. The cubic root of 53245523 is about 376.2077163551.

Adding to 53245523 its reverse (32554235), we get a palindrome (85799758).

The spelling of 53245523 in words is "fifty-three million, two hundred forty-five thousand, five hundred twenty-three".