53604563 has 2 divisors, whose sum is σ = 53604564. Its totient is φ = 53604562.

The previous prime is 53604533. The next prime is 53604631. The reversal of 53604563 is 36540635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53604563 - 2⁸ = 53604307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53604533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26802281 + 26802282.

It is an arithmetic number, because the mean of its divisors is an integer number (26802282).

Almost surely, 2^53604563 is an apocalyptic number.

53604563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53604563 is an equidigital number, since it uses as much as digits as its factorization.

53604563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 53604563 is about 7321.5137096095. The cubic root of 53604563 is about 377.0514251346.

The spelling of 53604563 in words is "fifty-three million, six hundred four thousand, five hundred sixty-three".