53944543 has 2 divisors, whose sum is σ = 53944544. Its totient is φ = 53944542.

The previous prime is 53944529. The next prime is 53944547. The reversal of 53944543 is 34544935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53944543 - 2¹⁷ = 53813471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53944547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26972271 + 26972272.

It is an arithmetic number, because the mean of its divisors is an integer number (26972272).

Almost surely, 2^53944543 is an apocalyptic number.

53944543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53944543 is an equidigital number, since it uses as much as digits as its factorization.

53944543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 53944543 is about 7344.6948881489. The cubic root of 53944543 is about 377.8468790903.

The spelling of 53944543 in words is "fifty-three million, nine hundred forty-four thousand, five hundred forty-three".