53988943 has 2 divisors, whose sum is σ = 53988944. Its totient is φ = 53988942.

The previous prime is 53988941. The next prime is 53988959. The reversal of 53988943 is 34988935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53988943 - 2¹ = 53988941 is a prime.

Together with 53988941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53988941) 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, 26994471 + 26994472.

It is an arithmetic number, because the mean of its divisors is an integer number (26994472).

Almost surely, 2^53988943 is an apocalyptic number.

53988943 is a deficient number, since it is larger than the sum of its proper divisors (1).

53988943 is an equidigital number, since it uses as much as digits as its factorization.

53988943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 53988943 is about 7347.7168562758. The cubic root of 53988943 is about 377.9505151574.

It can be divided in two parts, 5398 and 8943, that added together give a palindrome (14341).

The spelling of 53988943 in words is "fifty-three million, nine hundred eighty-eight thousand, nine hundred forty-three".