54243983 has 2 divisors, whose sum is σ = 54243984. Its totient is φ = 54243982.

The previous prime is 54243967. The next prime is 54243997. The reversal of 54243983 is 38934245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54243983 - 2⁴ = 54243967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54243083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27121991 + 27121992.

It is an arithmetic number, because the mean of its divisors is an integer number (27121992).

Almost surely, 2^54243983 is an apocalyptic number.

54243983 is a deficient number, since it is larger than the sum of its proper divisors (1).

54243983 is an equidigital number, since it uses as much as digits as its factorization.

54243983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 54243983 is about 7365.0514594265. The cubic root of 54243983 is about 378.5447177682.

The spelling of 54243983 in words is "fifty-four million, two hundred forty-three thousand, nine hundred eighty-three".