53984563 has 2 divisors, whose sum is σ = 53984564. Its totient is φ = 53984562.

The previous prime is 53984551. The next prime is 53984597. The reversal of 53984563 is 36548935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53984563 - 2²¹ = 51887411 is a prime.

It is not a weakly prime, because it can be changed into another prime (53984543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26992281 + 26992282.

It is an arithmetic number, because the mean of its divisors is an integer number (26992282).

Almost surely, 2^53984563 is an apocalyptic number.

53984563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53984563 is an equidigital number, since it uses as much as digits as its factorization.

53984563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 53984563 is about 7347.4187984625. The cubic root of 53984563 is about 377.9402941261.

The spelling of 53984563 in words is "fifty-three million, nine hundred eighty-four thousand, five hundred sixty-three".