53885543 has 2 divisors, whose sum is σ = 53885544. Its totient is φ = 53885542.

The previous prime is 53885483. The next prime is 53885591. The reversal of 53885543 is 34558835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53885543 - 2¹⁴ = 53869159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53885543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53885593) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26942771 + 26942772.

It is an arithmetic number, because the mean of its divisors is an integer number (26942772).

Almost surely, 2^53885543 is an apocalyptic number.

53885543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53885543 is an equidigital number, since it uses as much as digits as its factorization.

53885543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 41.

The square root of 53885543 is about 7340.6772848287. The cubic root of 53885543 is about 377.7090764696.

The spelling of 53885543 in words is "fifty-three million, eight hundred eighty-five thousand, five hundred forty-three".