\documentclass[12pt,a4paper]{article}
\begin{document}
\begin{table}[ht]
\begin{center}
\caption{All statistics are based on contigs of size $\geq$ 500 bp, unless otherwise noted (e.g., "\# contigs ($\geq$ 0 bp)" and "Total length ($\geq$ 0 bp)" include all contigs).}
\begin{tabular}{|l*{1}{|r}|}
\hline
Assembly & genome.nextpolish \\ \hline
\# contigs ($\geq$ 0 bp) & 55773 \\ \hline
\# contigs ($\geq$ 1000 bp) & 4909 \\ \hline
\# contigs ($\geq$ 5000 bp) & 1159 \\ \hline
\# contigs ($\geq$ 10000 bp) & 585 \\ \hline
\# contigs ($\geq$ 25000 bp) & 232 \\ \hline
\# contigs ($\geq$ 50000 bp) & 111 \\ \hline
Total length ($\geq$ 0 bp) & 55336184 \\ \hline
Total length ($\geq$ 1000 bp) & 37921314 \\ \hline
Total length ($\geq$ 5000 bp) & 30518995 \\ \hline
Total length ($\geq$ 10000 bp) & 26513070 \\ \hline
Total length ($\geq$ 25000 bp) & 21140776 \\ \hline
Total length ($\geq$ 50000 bp) & 16955072 \\ \hline
\# contigs & 12390 \\ \hline
Largest contig & 1180851 \\ \hline
Total length & 42962136 \\ \hline
GC (\%) & 44.65 \\ \hline
N50 & 23407 \\ \hline
N90 & 884 \\ \hline
auN & 150274.9 \\ \hline
L50 & 247 \\ \hline
L90 & 5702 \\ \hline
\# N's per 100 kbp & 0.00 \\ \hline
Complete BUSCO (\%) & 0.00 \\ \hline
Partial BUSCO (\%) & 0.00 \\ \hline
\# predicted rRNA genes & 62 + 6 part \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}
