53004563 has 4 divisors (see below), whose sum is σ = 53051688. Its totient is φ = 52957440.

The previous prime is 53004559. The next prime is 53004577. The reversal of 53004563 is 36540035.

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 53004563 - 2² = 53004559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53004533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21833 + ... + 24138.

It is an arithmetic number, because the mean of its divisors is an integer number (13262922).

Almost surely, 2^53004563 is an apocalyptic number.

53004563 is a deficient number, since it is larger than the sum of its proper divisors (47125).

53004563 is a wasteful number, since it uses less digits than its factorization.

53004563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47124.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 53004563 is about 7280.4232706622. The cubic root of 53004563 is about 375.6393549441.

Adding to 53004563 its reverse (36540035), we get a palindrome (89544598).

The spelling of 53004563 in words is "fifty-three million, four thousand, five hundred sixty-three".