\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) & 1364 \\ \hline
\# contigs ($\geq$ 1000 bp) & 1321 \\ \hline
\# contigs ($\geq$ 5000 bp) & 1025 \\ \hline
\# contigs ($\geq$ 10000 bp) & 738 \\ \hline
\# contigs ($\geq$ 25000 bp) & 336 \\ \hline
\# contigs ($\geq$ 50000 bp) & 178 \\ \hline
Total length ($\geq$ 0 bp) & 54320395 \\ \hline
Total length ($\geq$ 1000 bp) & 54292854 \\ \hline
Total length ($\geq$ 5000 bp) & 53401073 \\ \hline
Total length ($\geq$ 10000 bp) & 51306196 \\ \hline
Total length ($\geq$ 25000 bp) & 45067745 \\ \hline
Total length ($\geq$ 50000 bp) & 39475600 \\ \hline
\# contigs & 1361 \\ \hline
Largest contig & 2372343 \\ \hline
Total length & 54319561 \\ \hline
GC (\%) & 45.95 \\ \hline
N50 & 221988 \\ \hline
N90 & 14554 \\ \hline
auN & 482400.3 \\ \hline
L50 & 51 \\ \hline
L90 & 539 \\ \hline
\# N's per 100 kbp & 0.00 \\ \hline
Complete BUSCO (\%) & 0.00 \\ \hline
Partial BUSCO (\%) & 0.00 \\ \hline
\# predicted rRNA genes & 102 + 0 part \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}
