55344143 has 2 divisors, whose sum is σ = 55344144. Its totient is φ = 55344142.

The previous prime is 55344127. The next prime is 55344167. The reversal of 55344143 is 34144355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55344143 - 2⁴ = 55344127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55344103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672071 + 27672072.

It is an arithmetic number, because the mean of its divisors is an integer number (27672072).

Almost surely, 2^55344143 is an apocalyptic number.

55344143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55344143 is an equidigital number, since it uses as much as digits as its factorization.

55344143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 55344143 is about 7439.3644217769. The cubic root of 55344143 is about 381.0867849966.

Adding to 55344143 its reverse (34144355), we get a palindrome (89488498).

The spelling of 55344143 in words is "fifty-five million, three hundred forty-four thousand, one hundred forty-three".