53984543 has 2 divisors, whose sum is σ = 53984544. Its totient is φ = 53984542.

The previous prime is 53984471. The next prime is 53984549. The reversal of 53984543 is 34548935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53984543 - 2¹⁰ = 53983519 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53984543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53984549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26992271 + 26992272.

It is an arithmetic number, because the mean of its divisors is an integer number (26992272).

Almost surely, 2^53984543 is an apocalyptic number.

53984543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53984543 is an equidigital number, since it uses as much as digits as its factorization.

53984543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 53984543 is about 7347.4174374402. The cubic root of 53984543 is about 377.9402474535.

The spelling of 53984543 in words is "fifty-three million, nine hundred eighty-four thousand, five hundred forty-three".