55343983 has 2 divisors, whose sum is σ = 55343984. Its totient is φ = 55343982.

The previous prime is 55343927. The next prime is 55343989. The reversal of 55343983 is 38934355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55343983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55343989) 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, 27671991 + 27671992.

It is an arithmetic number, because the mean of its divisors is an integer number (27671992).

Almost surely, 2^55343983 is an apocalyptic number.

55343983 is a deficient number, since it is larger than the sum of its proper divisors (1).

55343983 is an equidigital number, since it uses as much as digits as its factorization.

55343983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 55343983 is about 7439.3536681623. The cubic root of 55343983 is about 381.0864177555.

The spelling of 55343983 in words is "fifty-five million, three hundred forty-three thousand, nine hundred eighty-three".