53985983 has 2 divisors, whose sum is σ = 53985984. Its totient is φ = 53985982.

The previous prime is 53985977. The next prime is 53985989. The reversal of 53985983 is 38958935.

It is a balanced prime because it is at equal distance from previous prime (53985977) and next prime (53985989).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53985983 is a prime.

It is a super-3 number, since 3×53985983³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53985989) 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, 26992991 + 26992992.

It is an arithmetic number, because the mean of its divisors is an integer number (26992992).

Almost surely, 2^53985983 is an apocalyptic number.

53985983 is a deficient number, since it is larger than the sum of its proper divisors (1).

53985983 is an equidigital number, since it uses as much as digits as its factorization.

53985983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 53985983 is about 7347.5154304023. The cubic root of 53985983 is about 377.9436078543.

The spelling of 53985983 in words is "fifty-three million, nine hundred eighty-five thousand, nine hundred eighty-three".